63161396312 has 96 divisors (see below), whose sum is σ = 140849280000. Its totient is φ = 26463979584.

The previous prime is 63161396299. The next prime is 63161396321. The reversal of 63161396312 is 21369316136.

It is a self number, because there is not a number n which added to its sum of digits gives 63161396312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27616433 + ... + 27618719.

It is an arithmetic number, because the mean of its divisors is an integer number (1467180000).

Almost surely, 2^63161396312 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 63161396312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70424640000).

63161396312 is an abundant number, since it is smaller than the sum of its proper divisors (77687883688).

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

63161396312 is a wasteful number, since it uses less digits than its factorization.

63161396312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3842 counting only the distinct ones).

The product of its digits is 104976, while the sum is 41.

The spelling of 63161396312 in words is "sixty-three billion, one hundred sixty-one million, three hundred ninety-six thousand, three hundred twelve".