6656455900710 has 640 divisors, whose sum is σ = 23091845990400. Its totient is φ = 1363634092800.

The previous prime is 6656455900687. The next prime is 6656455900747. The reversal of 6656455900710 is 170095546566.

6656455900710 is a `hidden beast` number, since 6 + 6 + 5 + 6 + 45 + 590 + 0 + 7 + 1 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 216969892 + ... + 217000568.

It is an arithmetic number, because the mean of its divisors is an integer number (36081009360).

Almost surely, 2^{6656455900710} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6656455900710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11545922995200).

6656455900710 is an abundant number, since it is smaller than the sum of its proper divisors (16435390089690).

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

6656455900710 is a wasteful number, since it uses less digits than its factorization.

6656455900710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30799 (or 30776 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 6656455900710 in words is "six trillion, six hundred fifty-six billion, four hundred fifty-five million, nine hundred thousand, seven hundred ten".