63040166720 has 56 divisors (see below), whose sum is σ = 151801144200. Its totient is φ = 24932728832.

The previous prime is 63040166719. The next prime is 63040166741. The reversal of 63040166720 is 2766104036.

It can be written as a sum of positive squares in 4 ways, for example, as 4692798016 + 58347368704 = 68504^2 + 241552^2 .

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 7 ways as a sum of consecutive naturals, for example, 1078265 + ... + 1135224.

Almost surely, 2^63040166720 is an apocalyptic number.

It is an amenable number.

63040166720 is an abundant number, since it is smaller than the sum of its proper divisors (88760977480).

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

63040166720 is a wasteful number, since it uses less digits than its factorization.

63040166720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213595 (or 2213585 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 63040166720 in words is "sixty-three billion, forty million, one hundred sixty-six thousand, seven hundred twenty".