166635481264516 has 144 divisors (see below), whose sum is σ = 328753326650112. Its totient is φ = 73283668531200.

The previous prime is 166635481264433. The next prime is 166635481264597. The reversal of 166635481264516 is 615462184536661.

166635481264516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2689069365 + ... + 2689131331.

It is an arithmetic number, because the mean of its divisors is an integer number (2283009212848).

Almost surely, 2^{166635481264516} is an apocalyptic number.

It is an amenable number.

166635481264516 is a deficient number, since it is larger than the sum of its proper divisors (162117845385596).

166635481264516 is a wasteful number, since it uses less digits than its factorization.

166635481264516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62378 (or 62317 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 64.

The spelling of 166635481264516 in words is "one hundred sixty-six trillion, six hundred thirty-five billion, four hundred eighty-one million, two hundred sixty-four thousand, five hundred sixteen".