157708186038 has 48 divisors (see below), whose sum is σ = 368405842896. Its totient is φ = 48470201280.

The previous prime is 157708186037. The next prime is 157708186049. The reversal of 157708186038 is 830681807751.

It is a happy number.

157708186038 is a `hidden beast` number, since 1 + 577 + 0 + 8 + 1 + 8 + 60 + 3 + 8 = 666.

157708186038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157708186033) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 179028 + ... + 589463.

It is an arithmetic number, because the mean of its divisors is an integer number (7675121727).

Almost surely, 2^157708186038 is an apocalyptic number.

157708186038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157708186038 is an abundant number, since it is smaller than the sum of its proper divisors (210697656858).

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

157708186038 is a wasteful number, since it uses less digits than its factorization.

157708186038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769389 (or 769386 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 157708186038 in words is "one hundred fifty-seven billion, seven hundred eight million, one hundred eighty-six thousand, thirty-eight".