166168054 has 32 divisors (see below), whose sum is σ = 281502144. Its totient is φ = 72990720.

The previous prime is 166168019. The next prime is 166168063. The reversal of 166168054 is 450861661.

It is a super-2 number, since 2×166168054² = 55223644340293832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143542 + ... + 144694.

It is an arithmetic number, because the mean of its divisors is an integer number (8796942).

Almost surely, 2^166168054 is an apocalyptic number.

166168054 is a deficient number, since it is larger than the sum of its proper divisors (115334090).

166168054 is a wasteful number, since it uses less digits than its factorization.

166168054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 166168054 is about 12890.6188369682. The cubic root of 166168054 is about 549.7718657159.

The spelling of 166168054 in words is "one hundred sixty-six million, one hundred sixty-eight thousand, fifty-four".