162660957427 has 2 divisors, whose sum is σ = 162660957428. Its totient is φ = 162660957426.

The previous prime is 162660957413. The next prime is 162660957467. The reversal of 162660957427 is 724759066261.

It is a weak prime.

It is an emirp because it is prime and its reverse (724759066261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162660957427 - 2¹⁹ = 162660433139 is a prime.

It is not a weakly prime, because it can be changed into another prime (162660957467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81330478713 + 81330478714.

It is an arithmetic number, because the mean of its divisors is an integer number (81330478714).

Almost surely, 2^162660957427 is an apocalyptic number.

162660957427 is a deficient number, since it is larger than the sum of its proper divisors (1).

162660957427 is an equidigital number, since it uses as much as digits as its factorization.

162660957427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 162660957427 in words is "one hundred sixty-two billion, six hundred sixty million, nine hundred fifty-seven thousand, four hundred twenty-seven".