8157916 has 48 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 3402432.

The previous prime is 8157869. The next prime is 8157949. The reversal of 8157916 is 6197518.

8157916 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22545 + ... + 22903.

It is an arithmetic number, because the mean of its divisors is an integer number (352800).

Almost surely, 2^8157916 is an apocalyptic number.

It is an amenable number.

8157916 is an abundant number, since it is smaller than the sum of its proper divisors (8776484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8157916 is a wasteful number, since it uses less digits than its factorization.

8157916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 416 counting only the distinct ones).

The product of its digits is 15120, while the sum is 37.

The square root of 8157916 is about 2856.2065751622. The cubic root of 8157916 is about 201.3074015498.

The spelling of 8157916 in words is "eight million, one hundred fifty-seven thousand, nine hundred sixteen".