6656232512145 has 32 divisors (see below), whose sum is σ = 11211484769280. Its totient is φ = 3362852687040.

The previous prime is 6656232512047. The next prime is 6656232512159. The reversal of 6656232512145 is 5412152326566.

It is not a de Polignac number, because 6656232512145 - 2¹¹ = 6656232510097 is a prime.

It is a super-2 number, since 2×6656232512145² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6656232512094 and 6656232512103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2228772 + ... + 4275498.

It is an arithmetic number, because the mean of its divisors is an integer number (350358899040).

Almost surely, 2^{6656232512145} is an apocalyptic number.

It is an amenable number.

6656232512145 is a deficient number, since it is larger than the sum of its proper divisors (4555252257135).

6656232512145 is a wasteful number, since it uses less digits than its factorization.

6656232512145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058165.

The product of its digits is 2592000, while the sum is 48.

The spelling of 6656232512145 in words is "six trillion, six hundred fifty-six billion, two hundred thirty-two million, five hundred twelve thousand, one hundred forty-five".