162046771321 has 2 divisors, whose sum is σ = 162046771322. Its totient is φ = 162046771320.

The previous prime is 162046771241. The next prime is 162046771339. The reversal of 162046771321 is 123177640261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99641235600 + 62405535721 = 315660^2 + 249811^2 .

It is a cyclic number.

It is not a de Polignac number, because 162046771321 - 2²⁵ = 162013216889 is a prime.

It is not a weakly prime, because it can be changed into another prime (162046771351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81023385660 + 81023385661.

It is an arithmetic number, because the mean of its divisors is an integer number (81023385661).

Almost surely, 2^162046771321 is an apocalyptic number.

It is an amenable number.

162046771321 is a deficient number, since it is larger than the sum of its proper divisors (1).

162046771321 is an equidigital number, since it uses as much as digits as its factorization.

162046771321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 162046771321 in words is "one hundred sixty-two billion, forty-six million, seven hundred seventy-one thousand, three hundred twenty-one".