663600431160 has 384 divisors, whose sum is σ = 2304075533760. Its totient is φ = 165062246400.

The previous prime is 663600431147. The next prime is 663600431183. The reversal of 663600431160 is 61134006366.

663600431160 is a `hidden beast` number, since 6 + 6 + 3 + 60 + 0 + 431 + 160 = 666.

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 343655395 + ... + 343657325.

Almost surely, 2^663600431160 is an apocalyptic number.

663600431160 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 663600431160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152037766880).

663600431160 is an abundant number, since it is smaller than the sum of its proper divisors (1640475102600).

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

663600431160 is a wasteful number, since it uses less digits than its factorization.

663600431160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 663600431160 in words is "six hundred sixty-three billion, six hundred million, four hundred thirty-one thousand, one hundred sixty".