63081564756 has 48 divisors (see below), whose sum is σ = 168971894784. Its totient is φ = 17942476896.

The previous prime is 63081564751. The next prime is 63081564761. The reversal of 63081564756 is 65746518036.

It is an interprime number because it is at equal distance from previous prime (63081564751) and next prime (63081564761).

It is a junction number, because it is equal to n+sod(n) for n = 63081564699 and 63081564708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63081564751) 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, 1665060 + ... + 1702523.

It is an arithmetic number, because the mean of its divisors is an integer number (3520247808).

Almost surely, 2^63081564756 is an apocalyptic number.

It is an amenable number.

63081564756 is an abundant number, since it is smaller than the sum of its proper divisors (105890330028).

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

63081564756 is a wasteful number, since it uses less digits than its factorization.

63081564756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367820 (or 3367818 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 63081564756 in words is "sixty-three billion, eighty-one million, five hundred sixty-four thousand, seven hundred fifty-six".