6618902472 has 512 divisors, whose sum is σ = 24514560000. Its totient is φ = 1605712896.

The previous prime is 6618902461. The next prime is 6618902483. The reversal of 6618902472 is 2742098166.

It is a happy number.

6618902472 is a `hidden beast` number, since 6 + 618 + 9 + 0 + 24 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6618902461) and next prime (6618902483).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13817929 + ... + 13818407.

It is an arithmetic number, because the mean of its divisors is an integer number (47880000).

Almost surely, 2^6618902472 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 6618902472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12257280000).

6618902472 is an abundant number, since it is smaller than the sum of its proper divisors (17895657528).

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

6618902472 is a wasteful number, since it uses less digits than its factorization.

6618902472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 6618902472 is about 81356.6375411374. The cubic root of 6618902472 is about 1877.5664975387.

The spelling of 6618902472 in words is "six billion, six hundred eighteen million, nine hundred two thousand, four hundred seventy-two".