6655370904 has 432 divisors, whose sum is σ = 23487150960. Its totient is φ = 1687392000.

The previous prime is 6655370899. The next prime is 6655370933. The reversal of 6655370904 is 4090735566.

6655370904 is a `hidden beast` number, since 6 + 6 + 553 + 7 + 0 + 90 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6655370904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 44075229 + ... + 44075379.

It is an arithmetic number, because the mean of its divisors is an integer number (54368405).

Almost surely, 2^6655370904 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 6655370904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11743575480).

6655370904 is an abundant number, since it is smaller than the sum of its proper divisors (16831780056).

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

6655370904 is a wasteful number, since it uses less digits than its factorization.

6655370904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 6655370904 is about 81580.4566302494. The cubic root of 6655370904 is about 1881.0084848780.

The spelling of 6655370904 in words is "six billion, six hundred fifty-five million, three hundred seventy thousand, nine hundred four".