816336960 has 56 divisors (see below), whose sum is σ = 2591872896. Its totient is φ = 217689600.

The previous prime is 816336949. The next prime is 816336971. The reversal of 816336960 is 69633618.

It is an interprime number because it is at equal distance from previous prime (816336949) and next prime (816336971).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424216 + ... + 426135.

Almost surely, 2^816336960 is an apocalyptic number.

816336960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

816336960 is an abundant number, since it is smaller than the sum of its proper divisors (1775535936).

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

816336960 is a wasteful number, since it uses less digits than its factorization.

816336960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850371 (or 850361 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 816336960 is about 28571.6110851313. The cubic root of 816336960 is about 934.5943544315.

The spelling of 816336960 in words is "eight hundred sixteen million, three hundred thirty-six thousand, nine hundred sixty".