166658095475 has 12 divisors (see below), whose sum is σ = 211052976864. Its totient is φ = 130489741920.

The previous prime is 166658095469. The next prime is 166658095493. The reversal of 166658095475 is 574590856661.

It is not a de Polignac number, because 166658095475 - 2⁴ = 166658095459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70917164 + ... + 70919513.

It is an arithmetic number, because the mean of its divisors is an integer number (17587748072).

Almost surely, 2^166658095475 is an apocalyptic number.

166658095475 is a deficient number, since it is larger than the sum of its proper divisors (44394881389).

166658095475 is a wasteful number, since it uses less digits than its factorization.

166658095475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141836734 (or 141836729 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 62.

The spelling of 166658095475 in words is "one hundred sixty-six billion, six hundred fifty-eight million, ninety-five thousand, four hundred seventy-five".