916256871 has 18 divisors (see below), whose sum is σ = 1405917552. Its totient is φ = 574904640.

The previous prime is 916256851. The next prime is 916256879. The reversal of 916256871 is 178652619.

916256871 is a `hidden beast` number, since 9 + 16 + 2 + 568 + 71 = 666.

It is not a de Polignac number, because 916256871 - 2⁵ = 916256839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916256879) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 173535 + ... + 178736.

Almost surely, 2^916256871 is an apocalyptic number.

916256871 is a deficient number, since it is larger than the sum of its proper divisors (489660681).

916256871 is a wasteful number, since it uses less digits than its factorization.

916256871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352311 (or 352291 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 916256871 is about 30269.7352317459. The cubic root of 916256871 is about 971.2680023298.

The spelling of 916256871 in words is "nine hundred sixteen million, two hundred fifty-six thousand, eight hundred seventy-one".