166744233964 has 24 divisors (see below), whose sum is σ = 363805602048. Its totient is φ = 64965285840.

The previous prime is 166744233961. The next prime is 166744233977. The reversal of 166744233964 is 469332447661.

It is not an unprimeable number, because it can be changed into a prime (166744233961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270688384 + ... + 270688999.

It is an arithmetic number, because the mean of its divisors is an integer number (15158566752).

Almost surely, 2^166744233964 is an apocalyptic number.

166744233964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

166744233964 is an abundant number, since it is smaller than the sum of its proper divisors (197061368084).

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

166744233964 is a wasteful number, since it uses less digits than its factorization.

166744233964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541377405 (or 541377403 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 55.

The spelling of 166744233964 in words is "one hundred sixty-six billion, seven hundred forty-four million, two hundred thirty-three thousand, nine hundred sixty-four".