166056142 has 16 divisors (see below), whose sum is σ = 285482592. Its totient is φ = 70963200.

The previous prime is 166056133. The next prime is 166056173. The reversal of 166056142 is 241650661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11859 + ... + 21742.

It is an arithmetic number, because the mean of its divisors is an integer number (17842662).

Almost surely, 2^166056142 is an apocalyptic number.

166056142 is a deficient number, since it is larger than the sum of its proper divisors (119426450).

166056142 is a wasteful number, since it uses less digits than its factorization.

166056142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33963.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 166056142 is about 12886.2772746826. The cubic root of 166056142 is about 549.6484166232.

The spelling of 166056142 in words is "one hundred sixty-six million, fifty-six thousand, one hundred forty-two".