164339279780 has 24 divisors (see below), whose sum is σ = 371659602552. Its totient is φ = 60679118592.

The previous prime is 164339279777. The next prime is 164339279843. The reversal of 164339279780 is 87972933461.

It can be written as a sum of positive squares in 4 ways, for example, as 31241269504 + 133098010276 = 176752^2 + 364826^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 316036817 + ... + 316037336.

It is an arithmetic number, because the mean of its divisors is an integer number (15485816773).

Almost surely, 2^164339279780 is an apocalyptic number.

164339279780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164339279780 is an abundant number, since it is smaller than the sum of its proper divisors (207320322772).

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

164339279780 is a wasteful number, since it uses less digits than its factorization.

164339279780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632074175 (or 632074173 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 59.

The spelling of 164339279780 in words is "one hundred sixty-four billion, three hundred thirty-nine million, two hundred seventy-nine thousand, seven hundred eighty".