158258664 has 64 divisors (see below), whose sum is σ = 440985600. Its totient is φ = 52587648.

The previous prime is 158258663. The next prime is 158258677. The reversal of 158258664 is 466852851.

158258664 is a `hidden beast` number, since 1 + 5 + 8 + 2 + 586 + 64 = 666.

It is not an unprimeable number, because it can be changed into a prime (158258663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81772 + ... + 83684.

It is an arithmetic number, because the mean of its divisors is an integer number (6890400).

Almost surely, 2^158258664 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 158258664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220492800).

158258664 is an abundant number, since it is smaller than the sum of its proper divisors (282726936).

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

158258664 is a wasteful number, since it uses less digits than its factorization.

158258664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2301 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 158258664 is about 12580.0899837799. The cubic root of 158258664 is about 540.9068712177.

The spelling of 158258664 in words is "one hundred fifty-eight million, two hundred fifty-eight thousand, six hundred sixty-four".