157838667 has 16 divisors (see below), whose sum is σ = 244108032. Its totient is φ = 88846560.

The previous prime is 157838657. The next prime is 157838669. The reversal of 157838667 is 766838751.

157838667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157838667 - 2⁴ = 157838651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157838669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54684 + ... + 57497.

It is an arithmetic number, because the mean of its divisors is an integer number (15256752).

Almost surely, 2^157838667 is an apocalyptic number.

157838667 is a deficient number, since it is larger than the sum of its proper divisors (86269365).

157838667 is a wasteful number, since it uses less digits than its factorization.

157838667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112258.

The product of its digits is 1693440, while the sum is 51.

The square root of 157838667 is about 12563.3859687586. The cubic root of 157838667 is about 540.4279495125.

The spelling of 157838667 in words is "one hundred fifty-seven million, eight hundred thirty-eight thousand, six hundred sixty-seven".