63167631420 has 48 divisors (see below), whose sum is σ = 186178285440. Its totient is φ = 15958138176.

The previous prime is 63167631389. The next prime is 63167631427. The reversal of 63167631420 is 2413676136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63167631427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27703962 + ... + 27706241.

It is an arithmetic number, because the mean of its divisors is an integer number (3878714280).

Almost surely, 2^63167631420 is an apocalyptic number.

63167631420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63167631420 is an abundant number, since it is smaller than the sum of its proper divisors (123010654020).

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

63167631420 is a wasteful number, since it uses less digits than its factorization.

63167631420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55410234 (or 55410232 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 63167631420 in words is "sixty-three billion, one hundred sixty-seven million, six hundred thirty-one thousand, four hundred twenty".