166026042 has 48 divisors (see below), whose sum is σ = 442740480. Its totient is φ = 43786656.

The previous prime is 166026037. The next prime is 166026071. The reversal of 166026042 is 240620661.

It is a happy number.

166026042 is a `hidden beast` number, since 16 + 602 + 6 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 166025997 and 166026015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49042 + ... + 52317.

It is an arithmetic number, because the mean of its divisors is an integer number (9223760).

Almost surely, 2^166026042 is an apocalyptic number.

166026042 is an abundant number, since it is smaller than the sum of its proper divisors (276714438).

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

166026042 is a wasteful number, since it uses less digits than its factorization.

166026042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101387 (or 101384 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 166026042 is about 12885.1093126911. The cubic root of 166026042 is about 549.6152041267.

The spelling of 166026042 in words is "one hundred sixty-six million, twenty-six thousand, forty-two".