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1061168161 = 31137249863
BaseRepresentation
bin111111010000000…
…010010000100001
32201221202221001111
4333100002100201
54133124340121
6253144303321
735203531504
oct7720022041
92657687044
101061168161
114a5002389
12257471b41
1313bb05a71
14a0d1113b
15632652e1
hex3f402421

1061168161 has 8 divisors (see below), whose sum is σ = 1103399424. Its totient is φ = 1019436960.

The previous prime is 1061168123. The next prime is 1061168219. The reversal of 1061168161 is 1618611601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1061168161 - 227 = 926950433 is a prime.

It is a super-2 number, since 2×10611681612 = 2252155731840243842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061168761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120685 + ... + 129178.

It is an arithmetic number, because the mean of its divisors is an integer number (137924928).

Almost surely, 21061168161 is an apocalyptic number.

It is an amenable number.

1061168161 is a deficient number, since it is larger than the sum of its proper divisors (42231263).

1061168161 is a wasteful number, since it uses less digits than its factorization.

1061168161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250031.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 1061168161 is about 32575.5761422573. The cubic root of 1061168161 is about 1019.9872358392.

Adding to 1061168161 its reverse (1618611601), we get a palindrome (2679779762).

The spelling of 1061168161 in words is "one billion, sixty-one million, one hundred sixty-eight thousand, one hundred sixty-one".

Divisors: 1 31 137 4247 249863 7745753 34231231 1061168161