158904954128 has 40 divisors (see below), whose sum is σ = 314409001536. Its totient is φ = 77779497600.

The previous prime is 158904954121. The next prime is 158904954157. The reversal of 158904954128 is 821459409851.

It is not an unprimeable number, because it can be changed into a prime (158904954121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179876 + ... + 591747.

Almost surely, 2^158904954128 is an apocalyptic number.

It is an amenable number.

158904954128 is a deficient number, since it is larger than the sum of its proper divisors (155504047408).

158904954128 is a wasteful number, since it uses less digits than its factorization.

158904954128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771903 (or 771897 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 56.

The spelling of 158904954128 in words is "one hundred fifty-eight billion, nine hundred four million, nine hundred fifty-four thousand, one hundred twenty-eight".