6722323519920 has 80 divisors (see below), whose sum is σ = 20840446340352. Its totient is φ = 1792512643840.

The previous prime is 6722323519907. The next prime is 6722323519921. The reversal of 6722323519920 is 299153232276.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (6722323519921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3236269 + ... + 4890611.

Almost surely, 2^{6722323519920} is an apocalyptic number.

6722323519920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6722323519920 is an abundant number, since it is smaller than the sum of its proper divisors (14118122820432).

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

6722323519920 is a wasteful number, since it uses less digits than its factorization.

6722323519920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671290 (or 1671284 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 6722323519920 in words is "six trillion, seven hundred twenty-two billion, three hundred twenty-three million, five hundred nineteen thousand, nine hundred twenty".