613545103656 has 64 divisors (see below), whose sum is σ = 1778391619200. Its totient is φ = 195623074944.

The previous prime is 613545103651. The next prime is 613545103681. The reversal of 613545103656 is 656301545316.

It is a happy number.

613545103656 is a `hidden beast` number, since 6 + 1 + 3 + 54 + 510 + 36 + 56 = 666.

It is not an unprimeable number, because it can be changed into a prime (613545103651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61744741 + ... + 61754676.

It is an arithmetic number, because the mean of its divisors is an integer number (27787369050).

Almost surely, 2^613545103656 is an apocalyptic number.

It is an amenable number.

613545103656 is an abundant number, since it is smaller than the sum of its proper divisors (1164846515544).

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

613545103656 is a wasteful number, since it uses less digits than its factorization.

613545103656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123499455 (or 123499445 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The spelling of 613545103656 in words is "six hundred thirteen billion, five hundred forty-five million, one hundred three thousand, six hundred fifty-six".