157212167 has 16 divisors (see below), whose sum is σ = 183409920. Its totient is φ = 131967168.

The previous prime is 157212131. The next prime is 157212169. The reversal of 157212167 is 761212751.

It is a cyclic number.

It is not a de Polignac number, because 157212167 - 2⁸ = 157211911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157212169) 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, 142763 + ... + 143859.

It is an arithmetic number, because the mean of its divisors is an integer number (11463120).

Almost surely, 2^157212167 is an apocalyptic number.

157212167 is a deficient number, since it is larger than the sum of its proper divisors (26197753).

157212167 is a wasteful number, since it uses less digits than its factorization.

157212167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510.

The product of its digits is 5880, while the sum is 32.

The square root of 157212167 is about 12538.4276127432. The cubic root of 157212167 is about 539.7119714540.

The spelling of 157212167 in words is "one hundred fifty-seven million, two hundred twelve thousand, one hundred sixty-seven".