166266117596 has 6 divisors (see below), whose sum is σ = 290965705800. Its totient is φ = 83133058796.

The previous prime is 166266117587. The next prime is 166266117613. The reversal of 166266117596 is 695711662661.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 20783264696 + ... + 20783264703.

It is an arithmetic number, because the mean of its divisors is an integer number (48494284300).

Almost surely, 2^166266117596 is an apocalyptic number.

It is an amenable number.

166266117596 is a deficient number, since it is larger than the sum of its proper divisors (124699588204).

166266117596 is a wasteful number, since it uses less digits than its factorization.

166266117596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41566529403 (or 41566529401 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The spelling of 166266117596 in words is "one hundred sixty-six billion, two hundred sixty-six million, one hundred seventeen thousand, five hundred ninety-six".