916818916 has 36 divisors (see below), whose sum is σ = 1812912192. Its totient is φ = 404742624.

The previous prime is 916818887. The next prime is 916818923. The reversal of 916818916 is 619818619.

It is a happy number.

916818916 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 916818916.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13936 + ... + 45031.

It is an arithmetic number, because the mean of its divisors is an integer number (50358672).

Almost surely, 2^916818916 is an apocalyptic number.

It is an amenable number.

916818916 is a deficient number, since it is larger than the sum of its proper divisors (896093276).

916818916 is a wasteful number, since it uses less digits than its factorization.

916818916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59020 (or 59005 counting only the distinct ones).

The product of its digits is 186624, while the sum is 49.

The square root of 916818916 is about 30279.0177515718. The cubic root of 916818916 is about 971.4665582731.

The spelling of 916818916 in words is "nine hundred sixteen million, eight hundred eighteen thousand, nine hundred sixteen".