7901220018696 has 32 divisors (see below), whose sum is σ = 19991038606560. Its totient is φ = 2602008198272.

The previous prime is 7901220018631. The next prime is 7901220018697. The reversal of 7901220018696 is 6968100221097.

It is not an unprimeable number, because it can be changed into a prime (7901220018697) 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, 1983235965 + ... + 1983239948.

It is an arithmetic number, because the mean of its divisors is an integer number (624719956455).

Almost surely, 2^{7901220018696} is an apocalyptic number.

It is an amenable number.

7901220018696 is an abundant number, since it is smaller than the sum of its proper divisors (12089818587864).

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

7901220018696 is a wasteful number, since it uses less digits than its factorization.

7901220018696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966476005 (or 3966476001 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 7901220018696 in words is "seven trillion, nine hundred one billion, two hundred twenty million, eighteen thousand, six hundred ninety-six".