158807620 has 12 divisors (see below), whose sum is σ = 333496044. Its totient is φ = 63523040.

The previous prime is 158807609. The next prime is 158807633. The reversal of 158807620 is 26708851.

158807620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32649796 + 126157824 = 5714^2 + 11232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 158807620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970171 + ... + 3970210.

It is an arithmetic number, because the mean of its divisors is an integer number (27791337).

Almost surely, 2^158807620 is an apocalyptic number.

158807620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158807620 is an abundant number, since it is smaller than the sum of its proper divisors (174688424).

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

158807620 is a wasteful number, since it uses less digits than its factorization.

158807620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7940390 (or 7940388 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 158807620 is about 12601.8895408585. The cubic root of 158807620 is about 541.5315687799.

The spelling of 158807620 in words is "one hundred fifty-eight million, eight hundred seven thousand, six hundred twenty".