63128400516 has 48 divisors (see below), whose sum is σ = 163754409280. Its totient is φ = 21031462080.

The previous prime is 63128400487. The next prime is 63128400523. The reversal of 63128400516 is 61500482136.

It is a happy number.

63128400516 is a `hidden beast` number, since 63 + 1 + 2 + 84 + 0 + 0 + 516 = 666.

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

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, 45096 + ... + 358176.

Almost surely, 2^63128400516 is an apocalyptic number.

It is an amenable number.

63128400516 is an abundant number, since it is smaller than the sum of its proper divisors (100626008764).

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

63128400516 is a wasteful number, since it uses less digits than its factorization.

63128400516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314961 (or 314953 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 63128400516 in words is "sixty-three billion, one hundred twenty-eight million, four hundred thousand, five hundred sixteen".