118196622721 has 8 divisors (see below), whose sum is σ = 127510674984. Its totient is φ = 109144938240.

The previous prime is 118196622707. The next prime is 118196622811. The reversal of 118196622721 is 127226691811.

It can be written as a sum of positive squares in 4 ways, for example, as 27700942096 + 90495680625 = 166436^2 + 300825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118196622721 - 2⁹ = 118196622209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118196622221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65591010 + ... + 65592811.

It is an arithmetic number, because the mean of its divisors is an integer number (15938834373).

Almost surely, 2^118196622721 is an apocalyptic number.

It is an amenable number.

118196622721 is a deficient number, since it is larger than the sum of its proper divisors (9314052263).

118196622721 is a wasteful number, since it uses less digits than its factorization.

118196622721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131183891.

The product of its digits is 145152, while the sum is 46.

The spelling of 118196622721 in words is "one hundred eighteen billion, one hundred ninety-six million, six hundred twenty-two thousand, seven hundred twenty-one".