156894864 has 120 divisors (see below), whose sum is σ = 483281568. Its totient is φ = 43706880.

The previous prime is 156894863. The next prime is 156894923. The reversal of 156894864 is 468498651.

It is not an unprimeable number, because it can be changed into a prime (156894863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95619 + ... + 97245.

Almost surely, 2^156894864 is an apocalyptic number.

156894864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156894864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241640784).

156894864 is an abundant number, since it is smaller than the sum of its proper divisors (326386704).

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

156894864 is a wasteful number, since it uses less digits than its factorization.

156894864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1680 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 156894864 is about 12525.7680004062. The cubic root of 156894864 is about 539.3486247451.

The spelling of 156894864 in words is "one hundred fifty-six million, eight hundred ninety-four thousand, eight hundred sixty-four".