166103157 has 16 divisors (see below), whose sum is σ = 242948160. Its totient is φ = 100108800.

The previous prime is 166103143. The next prime is 166103159. The reversal of 166103157 is 751301661.

166103157 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 166103157 - 2²² = 161908853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166103159) 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, 7932 + ... + 19877.

It is an arithmetic number, because the mean of its divisors is an integer number (15184260).

Almost surely, 2^166103157 is an apocalyptic number.

It is an amenable number.

166103157 is a deficient number, since it is larger than the sum of its proper divisors (76845003).

166103157 is a wasteful number, since it uses less digits than its factorization.

166103157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28004.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 166103157 is about 12888.1013729719. The cubic root of 166103157 is about 549.7002851891.

The spelling of 166103157 in words is "one hundred sixty-six million, one hundred three thousand, one hundred fifty-seven".