156364398 has 16 divisors (see below), whose sum is σ = 347476560. Its totient is φ = 52121448.

The previous prime is 156364393. The next prime is 156364423. The reversal of 156364398 is 893463651.

156364398 is a `hidden beast` number, since 1 + 5 + 636 + 4 + 3 + 9 + 8 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156364393) 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, 1447765 + ... + 1447872.

It is an arithmetic number, because the mean of its divisors is an integer number (21717285).

Almost surely, 2^156364398 is an apocalyptic number.

156364398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

156364398 is an abundant number, since it is smaller than the sum of its proper divisors (191112162).

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

156364398 is a wasteful number, since it uses less digits than its factorization.

156364398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2895648 (or 2895642 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 156364398 is about 12504.5750827447. The cubic root of 156364398 is about 538.7400873853.

It can be divided in two parts, 15636 and 4398, that multiplied together give a triangular number (68767128 = T₁₁₇₂₇).

The spelling of 156364398 in words is "one hundred fifty-six million, three hundred sixty-four thousand, three hundred ninety-eight".