156496881 has 16 divisors (see below), whose sum is σ = 210881664. Its totient is φ = 103227264.

The previous prime is 156496843. The next prime is 156496891. The reversal of 156496881 is 188694651.

It is not a de Polignac number, because 156496881 - 2¹⁸ = 156234737 is a prime.

It is a super-2 number, since 2×156496881² = 48982547525456322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156496881.

It is not an unprimeable number, because it can be changed into a prime (156496811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206355 + ... + 207111.

It is an arithmetic number, because the mean of its divisors is an integer number (13180104).

Almost surely, 2^156496881 is an apocalyptic number.

It is an amenable number.

156496881 is a deficient number, since it is larger than the sum of its proper divisors (54384783).

156496881 is a wasteful number, since it uses less digits than its factorization.

156496881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its digits is 414720, while the sum is 48.

The square root of 156496881 is about 12509.8713422641. The cubic root of 156496881 is about 538.8921973620.

The spelling of 156496881 in words is "one hundred fifty-six million, four hundred ninety-six thousand, eight hundred eighty-one".