163146457 has 2 divisors, whose sum is σ = 163146458. Its totient is φ = 163146456.

The previous prime is 163146443. The next prime is 163146463. The reversal of 163146457 is 754641361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151388416 + 11758041 = 12304^2 + 3429^2 .

It is a cyclic number.

It is not a de Polignac number, because 163146457 - 2²³ = 154757849 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81573228 + 81573229.

It is an arithmetic number, because the mean of its divisors is an integer number (81573229).

Almost surely, 2^163146457 is an apocalyptic number.

It is an amenable number.

163146457 is a deficient number, since it is larger than the sum of its proper divisors (1).

163146457 is an equidigital number, since it uses as much as digits as its factorization.

163146457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 163146457 is about 12772.8797457739. The cubic root of 163146457 is about 546.4191133673.

The spelling of 163146457 in words is "one hundred sixty-three million, one hundred forty-six thousand, four hundred fifty-seven".