162672457 has 2 divisors, whose sum is σ = 162672458. Its totient is φ = 162672456.

The previous prime is 162672443. The next prime is 162672493. The reversal of 162672457 is 754276261.

162672457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141705216 + 20967241 = 11904^2 + 4579^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162672457 is a prime.

It is not a weakly prime, because it can be changed into another prime (162672437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81336228 + 81336229.

It is an arithmetic number, because the mean of its divisors is an integer number (81336229).

Almost surely, 2^162672457 is an apocalyptic number.

It is an amenable number.

162672457 is a deficient number, since it is larger than the sum of its proper divisors (1).

162672457 is an equidigital number, since it uses as much as digits as its factorization.

162672457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 40.

The square root of 162672457 is about 12754.3113102982. The cubic root of 162672457 is about 545.8894177336.

The spelling of 162672457 in words is "one hundred sixty-two million, six hundred seventy-two thousand, four hundred fifty-seven".