63545665112616 has 64 divisors (see below), whose sum is σ = 162370711987200. Its totient is φ = 20715051036608.

The previous prime is 63545665112591. The next prime is 63545665112689. The reversal of 63545665112616 is 61621156654536.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20507106 + ... + 23401553.

It is an arithmetic number, because the mean of its divisors is an integer number (2537042374800).

Almost surely, 2^{63545665112616} is an apocalyptic number.

It is an amenable number.

63545665112616 is an abundant number, since it is smaller than the sum of its proper divisors (98825046874584).

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

63545665112616 is a wasteful number, since it uses less digits than its factorization.

63545665112616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43909998 (or 43909994 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 57.

The spelling of 63545665112616 in words is "sixty-three trillion, five hundred forty-five billion, six hundred sixty-five million, one hundred twelve thousand, six hundred sixteen".