162885913979819 has 2 divisors, whose sum is σ = 162885913979820. Its totient is φ = 162885913979818.

The previous prime is 162885913979813. The next prime is 162885913979947. The reversal of 162885913979819 is 918979319588261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162885913979819 is a prime.

It is a super-2 number, since 2×162885913979819² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162885913979813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81442956989909 + 81442956989910.

It is an arithmetic number, because the mean of its divisors is an integer number (81442956989910).

Almost surely, 2^{162885913979819} is an apocalyptic number.

162885913979819 is a deficient number, since it is larger than the sum of its proper divisors (1).

162885913979819 is an equidigital number, since it uses as much as digits as its factorization.

162885913979819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4232632320, while the sum is 86.

The spelling of 162885913979819 in words is "one hundred sixty-two trillion, eight hundred eighty-five billion, nine hundred thirteen million, nine hundred seventy-nine thousand, eight hundred nineteen".