166700157 has 16 divisors (see below), whose sum is σ = 240979200. Its totient is φ = 101892672.

The previous prime is 166700141. The next prime is 166700173. The reversal of 166700157 is 751007661.

It is an interprime number because it is at equal distance from previous prime (166700141) and next prime (166700173).

It is not a de Polignac number, because 166700157 - 2⁴ = 166700141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166700557) 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, 8533 + ... + 20154.

It is an arithmetic number, because the mean of its divisors is an integer number (15061200).

Almost surely, 2^166700157 is an apocalyptic number.

It is an amenable number.

166700157 is a deficient number, since it is larger than the sum of its proper divisors (74279043).

166700157 is a wasteful number, since it uses less digits than its factorization.

166700157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28852.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 166700157 is about 12911.2414972380. The cubic root of 166700157 is about 550.3580665618.

The spelling of 166700157 in words is "one hundred sixty-six million, seven hundred thousand, one hundred fifty-seven".