158736864 has 192 divisors, whose sum is σ = 506677248. Its totient is φ = 42854400.

The previous prime is 158736857. The next prime is 158736883. The reversal of 158736864 is 468637851.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425382 + ... + 425754.

It is an arithmetic number, because the mean of its divisors is an integer number (2638944).

Almost surely, 2^158736864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158736864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253338624).

158736864 is an abundant number, since it is smaller than the sum of its proper divisors (347940384).

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

158736864 is a wasteful number, since it uses less digits than its factorization.

158736864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 433 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 158736864 is about 12599.0818713111. The cubic root of 158736864 is about 541.4511312046.

The spelling of 158736864 in words is "one hundred fifty-eight million, seven hundred thirty-six thousand, eight hundred sixty-four".