65556653013 has 24 divisors (see below), whose sum is σ = 95435340000. Its totient is φ = 43362450144.

The previous prime is 65556653009. The next prime is 65556653069. The reversal of 65556653013 is 31035665556.

65556653013 is a `hidden beast` number, since 6 + 5 + 55 + 66 + 530 + 1 + 3 = 666.

It is not a de Polignac number, because 65556653013 - 2² = 65556653009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65556653013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65556653093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1189338 + ... + 1243236.

It is an arithmetic number, because the mean of its divisors is an integer number (3976472500).

Almost surely, 2^65556653013 is an apocalyptic number.

It is an amenable number.

65556653013 is a deficient number, since it is larger than the sum of its proper divisors (29878686987).

65556653013 is a wasteful number, since it uses less digits than its factorization.

65556653013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54961 (or 54958 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 45.

The spelling of 65556653013 in words is "sixty-five billion, five hundred fifty-six million, six hundred fifty-three thousand, thirteen".