118651421644 has 24 divisors (see below), whose sum is σ = 237366016160. Its totient is φ = 50837072256.

The previous prime is 118651421639. The next prime is 118651421671. The reversal of 118651421644 is 446124156811.

It is a self number, because there is not a number n which added to its sum of digits gives 118651421644.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456627 + ... + 667690.

Almost surely, 2^118651421644 is an apocalyptic number.

118651421644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

118651421644 is an abundant number, since it is smaller than the sum of its proper divisors (118714594516).

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

118651421644 is a wasteful number, since it uses less digits than its factorization.

118651421644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128097 (or 1128095 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The spelling of 118651421644 in words is "one hundred eighteen billion, six hundred fifty-one million, four hundred twenty-one thousand, six hundred forty-four".