166751362212 has 24 divisors (see below), whose sum is σ = 389395591200. Its totient is φ = 55539633216.

The previous prime is 166751362189. The next prime is 166751362243. The reversal of 166751362212 is 212263157661.

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, 5503537 + ... + 5533752.

It is an arithmetic number, because the mean of its divisors is an integer number (16224816300).

Almost surely, 2^166751362212 is an apocalyptic number.

166751362212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166751362212 is an abundant number, since it is smaller than the sum of its proper divisors (222644228988).

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

166751362212 is a wasteful number, since it uses less digits than its factorization.

166751362212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11038555 (or 11038553 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The spelling of 166751362212 in words is "one hundred sixty-six billion, seven hundred fifty-one million, three hundred sixty-two thousand, two hundred twelve".