164749122279 has 12 divisors (see below), whose sum is σ = 271966805136. Its totient is φ = 94142355552.

The previous prime is 164749122271. The next prime is 164749122281. The reversal of 164749122279 is 972221947461.

164749122279 is a `hidden beast` number, since 1 + 64 + 7 + 491 + 2 + 22 + 79 = 666.

It is not a de Polignac number, because 164749122279 - 2³ = 164749122271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164749122271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1307532654 + ... + 1307532779.

It is an arithmetic number, because the mean of its divisors is an integer number (22663900428).

Almost surely, 2^164749122279 is an apocalyptic number.

164749122279 is a deficient number, since it is larger than the sum of its proper divisors (107217682857).

164749122279 is a wasteful number, since it uses less digits than its factorization.

164749122279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615065446 (or 2615065443 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 164749122279 in words is "one hundred sixty-four billion, seven hundred forty-nine million, one hundred twenty-two thousand, two hundred seventy-nine".