166437274153260 has 96 divisors (see below), whose sum is σ = 517982487628032. Its totient is φ = 39587138955520.

The previous prime is 166437274153253. The next prime is 166437274153289. The reversal of 166437274153260 is 62351472734661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 166437274153260.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2378999814 + ... + 2379069773.

It is an arithmetic number, because the mean of its divisors is an integer number (5395650912792).

Almost surely, 2^{166437274153260} is an apocalyptic number.

166437274153260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166437274153260 is an abundant number, since it is smaller than the sum of its proper divisors (351545213474772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166437274153260 is a wasteful number, since it uses less digits than its factorization.

166437274153260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758069663 (or 4758069661 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 57.

The spelling of 166437274153260 in words is "one hundred sixty-six trillion, four hundred thirty-seven billion, two hundred seventy-four million, one hundred fifty-three thousand, two hundred sixty".