6622664787902 has 8 divisors (see below), whose sum is σ = 9956421556056. Its totient is φ = 3303857602552.

The previous prime is 6622664787889. The next prime is 6622664787917. The reversal of 6622664787902 is 2097874662266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737394593 + ... + 3737396364.

It is an arithmetic number, because the mean of its divisors is an integer number (1244552694507).

Almost surely, 2^{6622664787902} is an apocalyptic number.

6622664787902 is a deficient number, since it is larger than the sum of its proper divisors (3333756768154).

6622664787902 is a wasteful number, since it uses less digits than its factorization.

6622664787902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7474791402.

The product of its (nonzero) digits is 146313216, while the sum is 65.

The spelling of 6622664787902 in words is "six trillion, six hundred twenty-two billion, six hundred sixty-four million, seven hundred eighty-seven thousand, nine hundred two".