166516622224 has 40 divisors (see below), whose sum is σ = 323677542240. Its totient is φ = 82987120128.

The previous prime is 166516622219. The next prime is 166516622257. The reversal of 166516622224 is 422226615661.

It is a happy 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, 23720187 + ... + 23727205.

It is an arithmetic number, because the mean of its divisors is an integer number (8091938556).

Almost surely, 2^166516622224 is an apocalyptic number.

It is an amenable number.

166516622224 is a deficient number, since it is larger than the sum of its proper divisors (157160920016).

166516622224 is a wasteful number, since it uses less digits than its factorization.

166516622224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647 (or 11641 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The spelling of 166516622224 in words is "one hundred sixty-six billion, five hundred sixteen million, six hundred twenty-two thousand, two hundred twenty-four".