158207245920 has 72 divisors (see below), whose sum is σ = 539882231616. Its totient is φ = 42188598528.

The previous prime is 158207245919. The next prime is 158207245939. The reversal of 158207245920 is 29542702851.

158207245920 is a `hidden beast` number, since 1 + 58 + 2 + 0 + 7 + 2 + 4 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54931632 + ... + 54934511.

It is an arithmetic number, because the mean of its divisors is an integer number (7498364328).

Almost surely, 2^158207245920 is an apocalyptic number.

158207245920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158207245920 is an abundant number, since it is smaller than the sum of its proper divisors (381674985696).

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

158207245920 is a wasteful number, since it uses less digits than its factorization.

158207245920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109866164 (or 109866153 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 158207245920 in words is "one hundred fifty-eight billion, two hundred seven million, two hundred forty-five thousand, nine hundred twenty".