162972757 has 2 divisors, whose sum is σ = 162972758. Its totient is φ = 162972756.

The previous prime is 162972713. The next prime is 162972763. The reversal of 162972757 is 757279261.

162972757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 158608836 + 4363921 = 12594^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 162972757 - 2²⁷ = 28755029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162972157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81486378 + 81486379.

It is an arithmetic number, because the mean of its divisors is an integer number (81486379).

Almost surely, 2^162972757 is an apocalyptic number.

It is an amenable number.

162972757 is a deficient number, since it is larger than the sum of its proper divisors (1).

162972757 is an equidigital number, since it uses as much as digits as its factorization.

162972757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 46.

The square root of 162972757 is about 12766.0783719982. The cubic root of 162972757 is about 546.2251226306.

The spelling of 162972757 in words is "one hundred sixty-two million, nine hundred seventy-two thousand, seven hundred fifty-seven".