1617227161 has 8 divisors (see below), whose sum is σ = 1857103200. Its totient is φ = 1392827040.

The previous prime is 1617227147. The next prime is 1617227177.

1617227161 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 1617227161 - 2⁹ = 1617226649 is a prime.

It is a super-2 number, since 2×1617227161² = 5230847380552239842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1617227141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3868756 + ... + 3869173.

It is an arithmetic number, because the mean of its divisors is an integer number (232137900).

Almost surely, 2^1617227161 is an apocalyptic number.

1617227161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1617227161 is a deficient number, since it is larger than the sum of its proper divisors (239876039).

1617227161 is a wasteful number, since it uses less digits than its factorization.

1617227161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737959.

The product of its digits is 7056, while the sum is 34.

The square root of 1617227161 is about 40214.7629733162. The cubic root of 1617227161 is about 1173.7898295738.

The spelling of 1617227161 in words is "one billion, six hundred seventeen million, two hundred twenty-seven thousand, one hundred sixty-one".