166274155372 has 24 divisors (see below), whose sum is σ = 313700234400. Its totient is φ = 76659288576.

The previous prime is 166274155319. The next prime is 166274155381. The reversal of 166274155372 is 273551472661.

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, 1672672 + ... + 1769287.

It is an arithmetic number, because the mean of its divisors is an integer number (13070843100).

Almost surely, 2^166274155372 is an apocalyptic number.

It is an amenable number.

166274155372 is a deficient number, since it is larger than the sum of its proper divisors (147426079028).

166274155372 is a wasteful number, since it uses less digits than its factorization.

166274155372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442905 (or 3442903 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 166274155372 in words is "one hundred sixty-six billion, two hundred seventy-four million, one hundred fifty-five thousand, three hundred seventy-two".