158657937938 has 16 divisors (see below), whose sum is σ = 245675417856. Its totient is φ = 76766371920.

The previous prime is 158657937937. The next prime is 158657937967. The reversal of 158657937938 is 839739756851.

It is a super-3 number, since 3×158657937938³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (158657937931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675220 + ... + 1767392.

It is an arithmetic number, because the mean of its divisors is an integer number (15354713616).

Almost surely, 2^158657937938 is an apocalyptic number.

158657937938 is a deficient number, since it is larger than the sum of its proper divisors (87017479918).

158657937938 is a wasteful number, since it uses less digits than its factorization.

158657937938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119969.

The product of its digits is 342921600, while the sum is 71.

The spelling of 158657937938 in words is "one hundred fifty-eight billion, six hundred fifty-seven million, nine hundred thirty-seven thousand, nine hundred thirty-eight".