816160816 has 10 divisors (see below), whose sum is σ = 1581311612. Its totient is φ = 408080400.

The previous prime is 816160783. The next prime is 816160817. The reversal of 816160816 is 618061618.

It is a happy number.

It is a super-2 number, since 2×816160816² = 1332236955147571712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (816160817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505010 + ... + 25505041.

Almost surely, 2^816160816 is an apocalyptic number.

It is an amenable number.

816160816 is a deficient number, since it is larger than the sum of its proper divisors (765150796).

816160816 is a wasteful number, since it uses less digits than its factorization.

816160816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010059 (or 51010053 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 816160816 is about 28568.5284185238. The cubic root of 816160816 is about 934.5271293199.

The spelling of 816160816 in words is "eight hundred sixteen million, one hundred sixty thousand, eight hundred sixteen".