166100664356546 has 16 divisors (see below), whose sum is σ = 259984727956800. Its totient is φ = 79439118354288.

The previous prime is 166100664356537. The next prime is 166100664356579. The reversal of 166100664356546 is 645653466001661.

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, 3890120 + ... + 18636908.

It is an arithmetic number, because the mean of its divisors is an integer number (16249045497300).

Almost surely, 2^{166100664356546} is an apocalyptic number.

166100664356546 is a deficient number, since it is larger than the sum of its proper divisors (93884063600254).

166100664356546 is a wasteful number, since it uses less digits than its factorization.

166100664356546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991673.

The product of its (nonzero) digits is 55987200, while the sum is 59.

The spelling of 166100664356546 in words is "one hundred sixty-six trillion, one hundred billion, six hundred sixty-four million, three hundred fifty-six thousand, five hundred forty-six".