166908076922 has 16 divisors (see below), whose sum is σ = 257163847080. Its totient is φ = 81187411968.

The previous prime is 166908076919. The next prime is 166908076931. The reversal of 166908076922 is 229670809661.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160865968561 + 6042108361 = 401081^2 + 77731^2 .

It is a super-2 number, since 2×166908076922² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403598 + ... + 704774.

Almost surely, 2^166908076922 is an apocalyptic number.

166908076922 is a deficient number, since it is larger than the sum of its proper divisors (90255770158).

166908076922 is a wasteful number, since it uses less digits than its factorization.

166908076922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308705.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 166908076922 in words is "one hundred sixty-six billion, nine hundred eight million, seventy-six thousand, nine hundred twenty-two".