6656342453 has 8 divisors (see below), whose sum is σ = 6695365248. Its totient is φ = 6617366784.

The previous prime is 6656342449. The next prime is 6656342461. The reversal of 6656342453 is 3542436566.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6656342453 - 2² = 6656342449 is a prime.

It is a super-2 number, since 2×6656342453² = 88613789703220114418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6656342153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294626 + ... + 316412.

It is an arithmetic number, because the mean of its divisors is an integer number (836920656).

Almost surely, 2^6656342453 is an apocalyptic number.

It is an amenable number.

6656342453 is a deficient number, since it is larger than the sum of its proper divisors (39022795).

6656342453 is a wasteful number, since it uses less digits than its factorization.

6656342453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23563.

The product of its digits is 1555200, while the sum is 44.

The square root of 6656342453 is about 81586.4109579530. The cubic root of 6656342453 is about 1881.1000101048.

The spelling of 6656342453 in words is "six billion, six hundred fifty-six million, three hundred forty-two thousand, four hundred fifty-three".