158178864 has 40 divisors (see below), whose sum is σ = 421814272. Its totient is φ = 51024960.

The previous prime is 158178817. The next prime is 158178887. The reversal of 158178864 is 468871851.

It is a happy number.

158178864 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51664 + ... + 54639.

Almost surely, 2^158178864 is an apocalyptic number.

It is an amenable number.

158178864 is an abundant number, since it is smaller than the sum of its proper divisors (263635408).

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

158178864 is a wasteful number, since it uses less digits than its factorization.

158178864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106345 (or 106339 counting only the distinct ones).

The product of its digits is 430080, while the sum is 48.

The square root of 158178864 is about 12576.9179054330. The cubic root of 158178864 is about 540.8159407028.

The spelling of 158178864 in words is "one hundred fifty-eight million, one hundred seventy-eight thousand, eight hundred sixty-four".