6634590984 has 384 divisors, whose sum is σ = 22513996800. Its totient is φ = 1802787840.

The previous prime is 6634590979. The next prime is 6634591031. The reversal of 6634590984 is 4890954366.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6634590984.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23951454 + ... + 23951730.

It is an arithmetic number, because the mean of its divisors is an integer number (58630200).

Almost surely, 2^6634590984 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 6634590984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11256998400).

6634590984 is an abundant number, since it is smaller than the sum of its proper divisors (15879405816).

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

6634590984 is a wasteful number, since it uses less digits than its factorization.

6634590984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 6634590984 is about 81452.9986188354. The cubic root of 6634590984 is about 1879.0487665549.

The spelling of 6634590984 in words is "six billion, six hundred thirty-four million, five hundred ninety thousand, nine hundred eighty-four".