166055142 has 32 divisors (see below), whose sum is σ = 363087360. Its totient is φ = 50210720.

The previous prime is 166055111. The next prime is 166055143. The reversal of 166055142 is 241550661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166055143) 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, 31123 + ... + 36065.

It is an arithmetic number, because the mean of its divisors is an integer number (11346480).

Almost surely, 2^166055142 is an apocalyptic number.

166055142 is an abundant number, since it is smaller than the sum of its proper divisors (197032218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166055142 is a wasteful number, since it uses less digits than its factorization.

166055142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5468.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 166055142 is about 12886.2384736586. The cubic root of 166055142 is about 549.6473132824.

The spelling of 166055142 in words is "one hundred sixty-six million, fifty-five thousand, one hundred forty-two".