63501996 has 48 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 20328000.

The previous prime is 63501979. The next prime is 63502001. The reversal of 63501996 is 69910536.

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, 86985 + ... + 87711.

It is an arithmetic number, because the mean of its divisors is an integer number (3210480).

Almost surely, 2^63501996 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 63501996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77051520).

63501996 is an abundant number, since it is smaller than the sum of its proper divisors (90601044).

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

63501996 is a wasteful number, since it uses less digits than its factorization.

63501996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 63501996 is about 7968.8139644492. The cubic root of 63501996 is about 398.9597889138.

The spelling of 63501996 in words is "sixty-three million, five hundred one thousand, nine hundred ninety-six".