162557860447 has 2 divisors, whose sum is σ = 162557860448. Its totient is φ = 162557860446.

The previous prime is 162557860393. The next prime is 162557860469. The reversal of 162557860447 is 744068755261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162557860447 - 2¹⁹ = 162557336159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162557867447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81278930223 + 81278930224.

It is an arithmetic number, because the mean of its divisors is an integer number (81278930224).

Almost surely, 2^162557860447 is an apocalyptic number.

162557860447 is a deficient number, since it is larger than the sum of its proper divisors (1).

162557860447 is an equidigital number, since it uses as much as digits as its factorization.

162557860447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 55.

The spelling of 162557860447 in words is "one hundred sixty-two billion, five hundred fifty-seven million, eight hundred sixty thousand, four hundred forty-seven".