63161043425 has 24 divisors (see below), whose sum is σ = 80167026720. Its totient is φ = 49337769600.

The previous prime is 63161043419. The next prime is 63161043457. The reversal of 63161043425 is 52434016136.

It is a de Polignac number, because none of the positive numbers 2^k-63161043425 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 4164506 + ... + 4179644.

It is an arithmetic number, because the mean of its divisors is an integer number (3340292780).

Almost surely, 2^63161043425 is an apocalyptic number.

It is an amenable number.

63161043425 is a deficient number, since it is larger than the sum of its proper divisors (17005983295).

63161043425 is a wasteful number, since it uses less digits than its factorization.

63161043425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19073 (or 19068 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 63161043425 in words is "sixty-three billion, one hundred sixty-one million, forty-three thousand, four hundred twenty-five".