164244692052 has 72 divisors (see below), whose sum is σ = 484580119296. Its totient is φ = 45928603584.

The previous prime is 164244692023. The next prime is 164244692057. The reversal of 164244692052 is 250296442461.

It is a happy number.

164244692052 is a `hidden beast` number, since 16 + 424 + 4 + 6 + 9 + 205 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 164244691989 and 164244692007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164244692057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6921823 + ... + 6945510.

Almost surely, 2^164244692052 is an apocalyptic number.

164244692052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164244692052 is an abundant number, since it is smaller than the sum of its proper divisors (320335427244).

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

164244692052 is a wasteful number, since it uses less digits than its factorization.

164244692052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13867397 (or 13867392 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 164244692052 in words is "one hundred sixty-four billion, two hundred forty-four million, six hundred ninety-two thousand, fifty-two".