63662901120 has 576 divisors, whose sum is σ = 275414761440. Its totient is φ = 13431398400.

The previous prime is 63662901119. The next prime is 63662901131. The reversal of 63662901120 is 2110926636.

It is a happy number.

63662901120 is a `hidden beast` number, since 6 + 3 + 6 + 629 + 0 + 1 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 3660445 + ... + 3677795.

Almost surely, 2^63662901120 is an apocalyptic number.

63662901120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63662901120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137707380720).

63662901120 is an abundant number, since it is smaller than the sum of its proper divisors (211751860320).

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

63662901120 is a wasteful number, since it uses less digits than its factorization.

63662901120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17403 (or 17381 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 63662901120 in words is "sixty-three billion, six hundred sixty-two million, nine hundred one thousand, one hundred twenty".