916663764 has 24 divisors (see below), whose sum is σ = 2139873120. Its totient is φ = 305413024.

The previous prime is 916663763. The next prime is 916663801. The reversal of 916663764 is 467366619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916663763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11167 + ... + 44249.

It is an arithmetic number, because the mean of its divisors is an integer number (89161380).

Almost surely, 2^916663764 is an apocalyptic number.

It is an amenable number.

916663764 is an abundant number, since it is smaller than the sum of its proper divisors (1223209356).

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

916663764 is a wasteful number, since it uses less digits than its factorization.

916663764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35399 (or 35397 counting only the distinct ones).

The product of its digits is 979776, while the sum is 48.

The square root of 916663764 is about 30276.4556049746. The cubic root of 916663764 is about 971.4117551999.

The spelling of 916663764 in words is "nine hundred sixteen million, six hundred sixty-three thousand, seven hundred sixty-four".