63316670976 has 280 divisors, whose sum is σ = 204283995300. Its totient is φ = 19480559616.

The previous prime is 63316670959. The next prime is 63316670987. The reversal of 63316670976 is 67907661336.

It can be written as a sum of positive squares in 2 ways, for example, as 61702560000 + 1614110976 = 248400^2 + 40176^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4845700 + ... + 4858748.

Almost surely, 2^63316670976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63316670976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102141997650).

63316670976 is an abundant number, since it is smaller than the sum of its proper divisors (140967324324).

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

63316670976 is an equidigital number, since it uses as much as digits as its factorization.

63316670976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13098 (or 13067 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 54.

The spelling of 63316670976 in words is "sixty-three billion, three hundred sixteen million, six hundred seventy thousand, nine hundred seventy-six".