164372799829 has 16 divisors (see below), whose sum is σ = 197854412800. Its totient is φ = 133399585584.

The previous prime is 164372799827. The next prime is 164372799869. The reversal of 164372799829 is 928997273461.

It is a cyclic number.

It is not a de Polignac number, because 164372799829 - 2¹ = 164372799827 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164372799821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117357 + ... + 585250.

It is an arithmetic number, because the mean of its divisors is an integer number (12365900800).

Almost surely, 2^164372799829 is an apocalyptic number.

164372799829 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

164372799829 is a deficient number, since it is larger than the sum of its proper divisors (33481612971).

164372799829 is a wasteful number, since it uses less digits than its factorization.

164372799829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704392.

The product of its digits is 82301184, while the sum is 67.

The spelling of 164372799829 in words is "one hundred sixty-four billion, three hundred seventy-two million, seven hundred ninety-nine thousand, eight hundred twenty-nine".