63161332780 has 192 divisors, whose sum is σ = 166797066240. Its totient is φ = 19557098496.

The previous prime is 63161332697. The next prime is 63161332781. The reversal of 63161332780 is 8723316136.

It is not an unprimeable number, because it can be changed into a prime (63161332781) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 46203657 + ... + 46205023.

It is an arithmetic number, because the mean of its divisors is an integer number (868734720).

Almost surely, 2^63161332780 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 63161332780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83398533120).

63161332780 is an abundant number, since it is smaller than the sum of its proper divisors (103635733460).

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

63161332780 is a wasteful number, since it uses less digits than its factorization.

63161332780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 63161332780 in words is "sixty-three billion, one hundred sixty-one million, three hundred thirty-two thousand, seven hundred eighty".