162074626561 has 2 divisors, whose sum is σ = 162074626562. Its totient is φ = 162074626560.

The previous prime is 162074626541. The next prime is 162074626613. The reversal of 162074626561 is 165626470261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139199879025 + 22874747536 = 373095^2 + 151244^2 .

It is a cyclic number.

It is not a de Polignac number, because 162074626561 - 2¹³ = 162074618369 is a prime.

It is not a weakly prime, because it can be changed into another prime (162074626501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81037313280 + 81037313281.

It is an arithmetic number, because the mean of its divisors is an integer number (81037313281).

Almost surely, 2^162074626561 is an apocalyptic number.

It is an amenable number.

162074626561 is a deficient number, since it is larger than the sum of its proper divisors (1).

162074626561 is an equidigital number, since it uses as much as digits as its factorization.

162074626561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 162074626561 in words is "one hundred sixty-two billion, seventy-four million, six hundred twenty-six thousand, five hundred sixty-one".