118961664 has 80 divisors (see below), whose sum is σ = 324822960. Its totient is φ = 38666240.

The previous prime is 118961629. The next prime is 118961669. The reversal of 118961664 is 466169811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118961669) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62032 + ... + 63920.

It is an arithmetic number, because the mean of its divisors is an integer number (4060287).

Almost surely, 2^118961664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118961664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162411480).

118961664 is an abundant number, since it is smaller than the sum of its proper divisors (205861296).

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

118961664 is an equidigital number, since it uses as much as digits as its factorization.

118961664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1935 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 118961664 is about 10906.9548454186. The cubic root of 118961664 is about 491.8156490901.

The spelling of 118961664 in words is "one hundred eighteen million, nine hundred sixty-one thousand, six hundred sixty-four".