63156201620564 has 48 divisors (see below), whose sum is σ = 119098720610688. Its totient is φ = 29131004343168.

The previous prime is 63156201620521. The next prime is 63156201620569. The reversal of 63156201620564 is 46502610265136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63156201620569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563400929 + ... + 563513015.

It is an arithmetic number, because the mean of its divisors is an integer number (2481223346056).

Almost surely, 2^{63156201620564} is an apocalyptic number.

It is an amenable number.

63156201620564 is a deficient number, since it is larger than the sum of its proper divisors (55942518990124).

63156201620564 is a wasteful number, since it uses less digits than its factorization.

63156201620564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118704 (or 118702 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 63156201620564 in words is "sixty-three trillion, one hundred fifty-six billion, two hundred one million, six hundred twenty thousand, five hundred sixty-four".