63386118756 has 135 divisors (see below), whose sum is σ = 168928043977. Its totient is φ = 20725377120.

The previous prime is 63386118727. The next prime is 63386118767. The reversal of 63386118756 is 65781168336.

The square root of 63386118756 is 251766.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 62105624100 + 1280494656 = 249210^2 + 35784^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 321756850 + ... + 321757046.

Almost surely, 2^63386118756 is an apocalyptic number.

63386118756 is the 251766-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63386118756

63386118756 is an abundant number, since it is smaller than the sum of its proper divisors (105541925221).

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

63386118756 is an equidigital number, since it uses as much as digits as its factorization.

63386118756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552 (or 273 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 63386118756 in words is "sixty-three billion, three hundred eighty-six million, one hundred eighteen thousand, seven hundred fifty-six".