166692802894 has 16 divisors (see below), whose sum is σ = 262521867600. Its totient is φ = 79271305344.

The previous prime is 166692802889. The next prime is 166692802901. The reversal of 166692802894 is 498208296661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21443979 + ... + 21451750.

It is an arithmetic number, because the mean of its divisors is an integer number (16407616725).

Almost surely, 2^166692802894 is an apocalyptic number.

166692802894 is a deficient number, since it is larger than the sum of its proper divisors (95829064706).

166692802894 is a wasteful number, since it uses less digits than its factorization.

166692802894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42895827.

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 166692802894 in words is "one hundred sixty-six billion, six hundred ninety-two million, eight hundred two thousand, eight hundred ninety-four".