6622615356 has 24 divisors (see below), whose sum is σ = 17660307840. Its totient is φ = 1892175792.

The previous prime is 6622615339. The next prime is 6622615397. The reversal of 6622615356 is 6535162266.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39420246 + ... + 39420413.

It is an arithmetic number, because the mean of its divisors is an integer number (735846160).

Almost surely, 2^6622615356 is an apocalyptic number.

It is an amenable number.

6622615356 is an abundant number, since it is smaller than the sum of its proper divisors (11037692484).

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

6622615356 is a wasteful number, since it uses less digits than its factorization.

6622615356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78840673 (or 78840671 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The square root of 6622615356 is about 81379.4529104245. The cubic root of 6622615356 is about 1877.9175065639.

The spelling of 6622615356 in words is "six billion, six hundred twenty-two million, six hundred fifteen thousand, three hundred fifty-six".