162328082557 has 2 divisors, whose sum is σ = 162328082558. Its totient is φ = 162328082556.

The previous prime is 162328082551. The next prime is 162328082561. The reversal of 162328082557 is 755280823261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127381892836 + 34946189721 = 356906^2 + 186939^2 .

It is a cyclic number.

It is not a de Polignac number, because 162328082557 - 2¹⁵ = 162328049789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162328082557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162328082551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81164041278 + 81164041279.

It is an arithmetic number, because the mean of its divisors is an integer number (81164041279).

Almost surely, 2^162328082557 is an apocalyptic number.

It is an amenable number.

162328082557 is a deficient number, since it is larger than the sum of its proper divisors (1).

162328082557 is an equidigital number, since it uses as much as digits as its factorization.

162328082557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 162328082557 in words is "one hundred sixty-two billion, three hundred twenty-eight million, eighty-two thousand, five hundred fifty-seven".