63507161604 has 24 divisors (see below), whose sum is σ = 148188146400. Its totient is φ = 21168372544.

The previous prime is 63507161603. The next prime is 63507161611. The reversal of 63507161604 is 40616170536.

It is not an unprimeable number, because it can be changed into a prime (63507161603) 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, 425872 + ... + 555320.

It is an arithmetic number, because the mean of its divisors is an integer number (6174506100).

Almost surely, 2^63507161604 is an apocalyptic number.

It is an amenable number.

63507161604 is an abundant number, since it is smaller than the sum of its proper divisors (84680984796).

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

63507161604 is a wasteful number, since it uses less digits than its factorization.

63507161604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170339 (or 170337 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 63507161604 in words is "sixty-three billion, five hundred seven million, one hundred sixty-one thousand, six hundred four".