1612016161 has 12 divisors (see below), whose sum is σ = 1875859968. Its totient is φ = 1381243752.

The previous prime is 1612016141. The next prime is 1612016167. The reversal of 1612016161 is 1616102161.

It is not a de Polignac number, because 1612016161 - 2²¹ = 1609919009 is a prime.

It is a super-2 number, since 2×1612016161² = 5197192206650355842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612016167) 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 11 ways as a sum of consecutive naturals, for example, 250000 + ... + 256366.

It is an arithmetic number, because the mean of its divisors is an integer number (156321664).

Almost surely, 2^1612016161 is an apocalyptic number.

It is an amenable number.

1612016161 is a deficient number, since it is larger than the sum of its proper divisors (263843807).

1612016161 is an equidigital number, since it uses as much as digits as its factorization.

1612016161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11548 (or 11541 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1612016161 is about 40149.9210584529. The cubic root of 1612016161 is about 1172.5277516265.

The spelling of 1612016161 in words is "one billion, six hundred twelve million, sixteen thousand, one hundred sixty-one".