1118634916 has 27 divisors (see below), whose sum is σ = 2278174689. Its totient is φ = 479214288.

The previous prime is 1118634883. The next prime is 1118634917. The reversal of 1118634916 is 6194368111.

The square root of 1118634916 is 33446.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 254274916 + 864360000 = 15946^2 + 29400^2 .

It is not an unprimeable number, because it can be changed into a prime (1118634917) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 467050 + ... + 469438.

Almost surely, 2^1118634916 is an apocalyptic number.

1118634916 is the 33446-th square number.

It is an amenable number.

1118634916 is an abundant number, since it is smaller than the sum of its proper divisors (1159539773).

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

1118634916 is an frugal number, since it uses more digits than its factorization.

1118634916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796 (or 2398 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The cubic root of 1118634916 is about 1038.0767327318.

The spelling of 1118634916 in words is "one billion, one hundred eighteen million, six hundred thirty-four thousand, nine hundred sixteen".