166040068 has 12 divisors (see below), whose sum is σ = 290870272. Its totient is φ = 82934280.

The previous prime is 166040009. The next prime is 166040111. The reversal of 166040068 is 860040661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16980 + ... + 24907.

Almost surely, 2^166040068 is an apocalyptic number.

It is an amenable number.

166040068 is a deficient number, since it is larger than the sum of its proper divisors (124830204).

166040068 is a wasteful number, since it uses less digits than its factorization.

166040068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42882 (or 42880 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 166040068 is about 12885.6535728693. The cubic root of 166040068 is about 549.6306809874.

The spelling of 166040068 in words is "one hundred sixty-six million, forty thousand, sixty-eight".