157959490158 has 24 divisors (see below), whose sum is σ = 343714436208. Its totient is φ = 52427182752.

The previous prime is 157959490147. The next prime is 157959490187. The reversal of 157959490158 is 851094959751.

157959490158 is a `hidden beast` number, since 1 + 5 + 7 + 95 + 9 + 490 + 1 + 58 = 666.

157959490158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157959490095 and 157959490104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18827410 + ... + 18835797.

It is an arithmetic number, because the mean of its divisors is an integer number (14321434842).

Almost surely, 2^157959490158 is an apocalyptic number.

157959490158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157959490158 is an abundant number, since it is smaller than the sum of its proper divisors (185754946050).

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

157959490158 is a wasteful number, since it uses less digits than its factorization.

157959490158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37663448 (or 37663445 counting only the distinct ones).

The product of its (nonzero) digits is 20412000, while the sum is 63.

The spelling of 157959490158 in words is "one hundred fifty-seven billion, nine hundred fifty-nine million, four hundred ninety thousand, one hundred fifty-eight".