161462457 has 32 divisors (see below), whose sum is σ = 259190400. Its totient is φ = 98750016.

The previous prime is 161462443. The next prime is 161462467. The reversal of 161462457 is 754264161.

161462457 is a `hidden beast` number, since 16 + 14 + 624 + 5 + 7 = 666.

It is not a de Polignac number, because 161462457 - 2⁶ = 161462393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161462467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59394 + ... + 62052.

It is an arithmetic number, because the mean of its divisors is an integer number (8099700).

Almost surely, 2^161462457 is an apocalyptic number.

It is an amenable number.

161462457 is a deficient number, since it is larger than the sum of its proper divisors (97727943).

161462457 is a wasteful number, since it uses less digits than its factorization.

161462457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2848 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 161462457 is about 12706.7878317063. The cubic root of 161462457 is about 544.5325588223.

The spelling of 161462457 in words is "one hundred sixty-one million, four hundred sixty-two thousand, four hundred fifty-seven".