118635664 has 45 divisors (see below), whose sum is σ = 268073337. Its totient is φ = 50713152.

The previous prime is 118635623. The next prime is 118635689. The reversal of 118635664 is 466536811.

The square root of 118635664 is 10892.

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., 28005264 + 90630400 = 5292^2 + 9520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 304782 + ... + 305170.

Almost surely, 2^118635664 is an apocalyptic number.

118635664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

118635664 is the 10892-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118635664

118635664 is an abundant number, since it is smaller than the sum of its proper divisors (149437673).

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

118635664 is an frugal number, since it uses more digits than its factorization.

118635664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 398 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The cubic root of 118635664 is about 491.3659843934.

The spelling of 118635664 in words is "one hundred eighteen million, six hundred thirty-five thousand, six hundred sixty-four".