118216069621 has 8 divisors (see below), whose sum is σ = 127409325624. Its totient is φ = 109037058240.

The previous prime is 118216069613. The next prime is 118216069627. The reversal of 118216069621 is 126960612811.

It can be written as a sum of positive squares in 4 ways, for example, as 4925934225 + 113290135396 = 70185^2 + 336586^2 .

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 118216069621 - 2³ = 118216069613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118216069627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543910 + ... + 3577111.

It is an arithmetic number, because the mean of its divisors is an integer number (15926165703).

Almost surely, 2^118216069621 is an apocalyptic number.

It is an amenable number.

118216069621 is a deficient number, since it is larger than the sum of its proper divisors (9193256003).

118216069621 is a wasteful number, since it uses less digits than its factorization.

118216069621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122311.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 118216069621 in words is "one hundred eighteen billion, two hundred sixteen million, sixty-nine thousand, six hundred twenty-one".