63172446546660 has 96 divisors (see below), whose sum is σ = 198178328702592. Its totient is φ = 14900626206720.

The previous prime is 63172446546659. The next prime is 63172446546809. The reversal of 63172446546660 is 6664564427136.

It is a super-2 number, since 2×63172446546660² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 63172446546594 and 63172446546603.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1293432717 + ... + 1293481556.

It is an arithmetic number, because the mean of its divisors is an integer number (2064357590652).

Almost surely, 2^{63172446546660} is an apocalyptic number.

63172446546660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63172446546660 is an abundant number, since it is smaller than the sum of its proper divisors (135005882155932).

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

63172446546660 is a wasteful number, since it uses less digits than its factorization.

63172446546660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586914333 (or 2586914331 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 60.

The spelling of 63172446546660 in words is "sixty-three trillion, one hundred seventy-two billion, four hundred forty-six million, five hundred forty-six thousand, six hundred sixty".