166290307696 has 20 divisors (see below), whose sum is σ = 322584768184. Its totient is φ = 83042625600.

The previous prime is 166290307649. The next prime is 166290307723. The reversal of 166290307696 is 696703092661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6394635 + ... + 6420586.

Almost surely, 2^166290307696 is an apocalyptic number.

166290307696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166290307696 is a deficient number, since it is larger than the sum of its proper divisors (156294460488).

166290307696 is a wasteful number, since it uses less digits than its factorization.

166290307696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816040 (or 12816034 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 166290307696 in words is "one hundred sixty-six billion, two hundred ninety million, three hundred seven thousand, six hundred ninety-six".