118881653 has 6 divisors (see below), whose sum is σ = 130671702. Its totient is φ = 108074120.

The previous prime is 118881599. The next prime is 118881667. The reversal of 118881653 is 356188811.

It can be written as a sum of positive squares in only one way, i.e., 85784644 + 33097009 = 9262^2 + 5753^2 .

It is not a de Polignac number, because 118881653 - 2⁶ = 118881589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 118881653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118881953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 491126 + ... + 491367.

It is an arithmetic number, because the mean of its divisors is an integer number (21778617).

Almost surely, 2^118881653 is an apocalyptic number.

It is an amenable number.

118881653 is a deficient number, since it is larger than the sum of its proper divisors (11790049).

118881653 is an equidigital number, since it uses as much as digits as its factorization.

118881653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982515 (or 982504 counting only the distinct ones).

The product of its digits is 46080, while the sum is 41.

The square root of 118881653 is about 10903.2863394483. The cubic root of 118881653 is about 491.7053628965.

The spelling of 118881653 in words is "one hundred eighteen million, eight hundred eighty-one thousand, six hundred fifty-three".