162180849015697 has 2 divisors, whose sum is σ = 162180849015698. Its totient is φ = 162180849015696.

The previous prime is 162180849015629. The next prime is 162180849015727. The reversal of 162180849015697 is 796510948081261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156277776234321 + 5903072781376 = 12501111^2 + 2429624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162180849015697 is a prime.

It is not a weakly prime, because it can be changed into another prime (162180849013697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81090424507848 + 81090424507849.

It is an arithmetic number, because the mean of its divisors is an integer number (81090424507849).

Almost surely, 2^{162180849015697} is an apocalyptic number.

It is an amenable number.

162180849015697 is a deficient number, since it is larger than the sum of its proper divisors (1).

162180849015697 is an equidigital number, since it uses as much as digits as its factorization.

162180849015697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 67.

The spelling of 162180849015697 in words is "one hundred sixty-two trillion, one hundred eighty billion, eight hundred forty-nine million, fifteen thousand, six hundred ninety-seven".