916597864 has 48 divisors (see below), whose sum is σ = 2126869920. Its totient is φ = 362606400.

The previous prime is 916597861. The next prime is 916597873. The reversal of 916597864 is 468795619.

It is not an unprimeable number, because it can be changed into a prime (916597861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38962 + ... + 57889.

It is an arithmetic number, because the mean of its divisors is an integer number (44309790).

Almost surely, 2^916597864 is an apocalyptic number.

It is an amenable number.

916597864 is an abundant number, since it is smaller than the sum of its proper divisors (1210272056).

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

916597864 is a wasteful number, since it uses less digits than its factorization.

916597864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96890 (or 96873 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 55.

The square root of 916597864 is about 30275.3672810092. The cubic root of 916597864 is about 971.3884760103.

The spelling of 916597864 in words is "nine hundred sixteen million, five hundred ninety-seven thousand, eight hundred sixty-four".