6656574655045 has 16 divisors (see below), whose sum is σ = 9135308274048. Its totient is φ = 4561362532800.

The previous prime is 6656574655039. The next prime is 6656574655057. The reversal of 6656574655045 is 5405564756566.

6656574655045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6656574655045 - 2²¹ = 6656572557893 is a prime.

It is a super-2 number, since 2×6656574655045² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65486034 + ... + 65587603.

It is an arithmetic number, because the mean of its divisors is an integer number (570956767128).

Almost surely, 2^{6656574655045} is an apocalyptic number.

It is an amenable number.

6656574655045 is a deficient number, since it is larger than the sum of its proper divisors (2478733619003).

6656574655045 is a wasteful number, since it uses less digits than its factorization.

6656574655045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131075100.

The product of its (nonzero) digits is 453600000, while the sum is 64.

The spelling of 6656574655045 in words is "six trillion, six hundred fifty-six billion, five hundred seventy-four million, six hundred fifty-five thousand, forty-five".