164596271593 has 8 divisors (see below), whose sum is σ = 178157310408. Its totient is φ = 151163773824.

The previous prime is 164596271573. The next prime is 164596271603. The reversal of 164596271593 is 395172695461.

It can be written as a sum of positive squares in 4 ways, for example, as 49873162329 + 114723109264 = 223323^2 + 338708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164596271593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164596271573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32132596 + ... + 32137717.

It is an arithmetic number, because the mean of its divisors is an integer number (22269663801).

Almost surely, 2^164596271593 is an apocalyptic number.

164596271593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164596271593 is a deficient number, since it is larger than the sum of its proper divisors (13561038815).

164596271593 is a wasteful number, since it uses less digits than its factorization.

164596271593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64270523.

The product of its digits is 12247200, while the sum is 58.

The spelling of 164596271593 in words is "one hundred sixty-four billion, five hundred ninety-six million, two hundred seventy-one thousand, five hundred ninety-three".