164340644131330 has 32 divisors (see below), whose sum is σ = 297005377244400. Its totient is φ = 65471472694272.

The previous prime is 164340644131297. The next prime is 164340644131343. The reversal of 164340644131330 is 33131446043461.

It can be written as a sum of positive squares in 8 ways, for example, as 95199107542009 + 69141536589321 = 9757003^2 + 8315139^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886827 + ... + 18151246.

Almost surely, 2^{164340644131330} is an apocalyptic number.

164340644131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164340644131330 is a deficient number, since it is larger than the sum of its proper divisors (132664733113070).

164340644131330 is a wasteful number, since it uses less digits than its factorization.

164340644131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19041558.

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 164340644131330 in words is "one hundred sixty-four trillion, three hundred forty billion, six hundred forty-four million, one hundred thirty-one thousand, three hundred thirty".