156163968 has 48 divisors (see below), whose sum is σ = 449381400. Its totient is φ = 52054272.

The previous prime is 156163967. The next prime is 156163991. The reversal of 156163968 is 869361651.

156163968 is a `hidden beast` number, since 1 + 5 + 6 + 1 + 639 + 6 + 8 = 666.

156163968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156163963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66628 + ... + 68931.

Almost surely, 2^156163968 is an apocalyptic number.

156163968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

156163968 is an abundant number, since it is smaller than the sum of its proper divisors (293217432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156163968 is a wasteful number, since it uses less digits than its factorization.

156163968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135579 (or 135564 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 156163968 is about 12496.5582461732. The cubic root of 156163968 is about 538.5098008525.

The spelling of 156163968 in words is "one hundred fifty-six million, one hundred sixty-three thousand, nine hundred sixty-eight".