6621468504 has 256 divisors, whose sum is σ = 19978721280. Its totient is φ = 1789931520.

The previous prime is 6621468487. The next prime is 6621468527. The reversal of 6621468504 is 4058641266.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39649429 + ... + 39649595.

It is an arithmetic number, because the mean of its divisors is an integer number (78041880).

Almost surely, 2^6621468504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6621468504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9989360640).

6621468504 is an abundant number, since it is smaller than the sum of its proper divisors (13357252776).

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

6621468504 is a wasteful number, since it uses less digits than its factorization.

6621468504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 6621468504 is about 81372.4062812450. The cubic root of 6621468504 is about 1877.8090993529.

The spelling of 6621468504 in words is "six billion, six hundred twenty-one million, four hundred sixty-eight thousand, five hundred four".