118921621802 has 16 divisors (see below), whose sum is σ = 179499414624. Its totient is φ = 59089338000.

The previous prime is 118921621799. The next prime is 118921621817. The reversal of 118921621802 is 208126129811.

It is a self number, because there is not a number n which added to its sum of digits gives 118921621802.

It is an unprimeable number.

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, 65777 + ... + 492107.

It is an arithmetic number, because the mean of its divisors is an integer number (11218713414).

Almost surely, 2^118921621802 is an apocalyptic number.

118921621802 is a deficient number, since it is larger than the sum of its proper divisors (60577792822).

118921621802 is a wasteful number, since it uses less digits than its factorization.

118921621802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427205.

The product of its (nonzero) digits is 27648, while the sum is 41.

The spelling of 118921621802 in words is "one hundred eighteen billion, nine hundred twenty-one million, six hundred twenty-one thousand, eight hundred two".