166260974 has 16 divisors (see below), whose sum is σ = 283893120. Its totient is φ = 72287160.

The previous prime is 166260961. The next prime is 166260977. The reversal of 166260974 is 479062661.

It is a super-2 number, since 2×166260974² = 55285422950857352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166260977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163784 + ... + 164795.

It is an arithmetic number, because the mean of its divisors is an integer number (17743320).

Almost surely, 2^166260974 is an apocalyptic number.

166260974 is a deficient number, since it is larger than the sum of its proper divisors (117632146).

166260974 is a wasteful number, since it uses less digits than its factorization.

166260974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328615.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 166260974 is about 12894.2225046724. Note that the first 3 decimals coincide. The cubic root of 166260974 is about 549.8743227996.

The spelling of 166260974 in words is "one hundred sixty-six million, two hundred sixty thousand, nine hundred seventy-four".