166100664401344 has 14 divisors (see below), whose sum is σ = 329606005921544. Its totient is φ = 83050332200640.

The previous prime is 166100664401267. The next prime is 166100664401351. The reversal of 166100664401344 is 443104466001661.

It is a junction number, because it is equal to n+sod(n) for n = 166100664401294 and 166100664401303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1297661440572 + ... + 1297661440699.

Almost surely, 2^{166100664401344} is an apocalyptic number.

It is an amenable number.

166100664401344 is a deficient number, since it is larger than the sum of its proper divisors (163505341520200).

166100664401344 is an equidigital number, since it uses as much as digits as its factorization.

166100664401344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595322881283 (or 2595322881273 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 166100664401344 in words is "one hundred sixty-six trillion, one hundred billion, six hundred sixty-four million, four hundred one thousand, three hundred forty-four".