7191396222920 has 128 divisors (see below), whose sum is σ = 20557043619840. Its totient is φ = 2202540318720.

The previous prime is 7191396222919. The next prime is 7191396222943. The reversal of 7191396222920 is 292226931917.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31752617 + ... + 31978296.

It is an arithmetic number, because the mean of its divisors is an integer number (160601903280).

Almost surely, 2^{7191396222920} is an apocalyptic number.

7191396222920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7191396222920 is an abundant number, since it is smaller than the sum of its proper divisors (13365647396920).

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

7191396222920 is a wasteful number, since it uses less digits than its factorization.

7191396222920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63730975 (or 63730971 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 7191396222920 in words is "seven trillion, one hundred ninety-one billion, three hundred ninety-six million, two hundred twenty-two thousand, nine hundred twenty".