162627139583989 has 2 divisors, whose sum is σ = 162627139583990. Its totient is φ = 162627139583988.

The previous prime is 162627139583897. The next prime is 162627139584067. The reversal of 162627139583989 is 989385931726261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97765780724964 + 64861358859025 = 9887658^2 + 8053655^2 .

It is a cyclic number.

It is not a de Polignac number, because 162627139583989 - 2¹¹ = 162627139581941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162627139580989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81313569791994 + 81313569791995.

It is an arithmetic number, because the mean of its divisors is an integer number (81313569791995).

Almost surely, 2^{162627139583989} is an apocalyptic number.

It is an amenable number.

162627139583989 is a deficient number, since it is larger than the sum of its proper divisors (1).

162627139583989 is an equidigital number, since it uses as much as digits as its factorization.

162627139583989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116316160, while the sum is 79.

The spelling of 162627139583989 in words is "one hundred sixty-two trillion, six hundred twenty-seven billion, one hundred thirty-nine million, five hundred eighty-three thousand, nine hundred eighty-nine".