856163696 has 20 divisors (see below), whose sum is σ = 1690117272. Its totient is φ = 420004416.

The previous prime is 856163687. The next prime is 856163699. The reversal of 856163696 is 696361658.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856163699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503966 + ... + 505661.

Almost surely, 2^856163696 is an apocalyptic number.

It is an amenable number.

856163696 is a deficient number, since it is larger than the sum of its proper divisors (833953576).

856163696 is a wasteful number, since it uses less digits than its factorization.

856163696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009688 (or 1009682 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 856163696 is about 29260.2750499718. The cubic root of 856163696 is about 949.5524007779.

The spelling of 856163696 in words is "eight hundred fifty-six million, one hundred sixty-three thousand, six hundred ninety-six".