63667117245020 has 48 divisors (see below), whose sum is σ = 133879925583936. Its totient is φ = 25432767360000.

The previous prime is 63667117244999. The next prime is 63667117245047. The reversal of 63667117245020 is 2054271176636.

It is a super-2 number, since 2×63667117245020² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63667117245020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86871710 + ... + 87601530.

It is an arithmetic number, because the mean of its divisors is an integer number (2789165116332).

Almost surely, 2^{63667117245020} is an apocalyptic number.

It is an amenable number.

63667117245020 is an abundant number, since it is smaller than the sum of its proper divisors (70212808338916).

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

63667117245020 is a wasteful number, since it uses less digits than its factorization.

63667117245020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735662 (or 735660 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 63667117245020 in words is "sixty-three trillion, six hundred sixty-seven billion, one hundred seventeen million, two hundred forty-five thousand, twenty".