166547214972344 has 16 divisors (see below), whose sum is σ = 312276725703600. Its totient is φ = 83273421451392.

The previous prime is 166547214972289. The next prime is 166547214972371. The reversal of 166547214972344 is 443279412745661.

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, 19412204 + ... + 26644475.

It is an arithmetic number, because the mean of its divisors is an integer number (19517295356475).

Almost surely, 2^{166547214972344} is an apocalyptic number.

It is an amenable number.

166547214972344 is a deficient number, since it is larger than the sum of its proper divisors (145729510731256).

166547214972344 is a wasteful number, since it uses less digits than its factorization.

166547214972344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46508702 (or 46508698 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 65.

The spelling of 166547214972344 in words is "one hundred sixty-six trillion, five hundred forty-seven billion, two hundred fourteen million, nine hundred seventy-two thousand, three hundred forty-four".