663149395008 has 784 divisors, whose sum is σ = 2135761592832. Its totient is φ = 203793408000.

The previous prime is 663149394991. The next prime is 663149395037. The reversal of 663149395008 is 800593941366.

663149395008 is a `hidden beast` number, since 6 + 63 + 1 + 49 + 39 + 500 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 111 ways as a sum of consecutive naturals, for example, 3142888023 + ... + 3142888233.

Almost surely, 2^663149395008 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 663149395008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067880796416).

663149395008 is an abundant number, since it is smaller than the sum of its proper divisors (1472612197824).

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

663149395008 is a wasteful number, since it uses less digits than its factorization.

663149395008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 663149395008 in words is "six hundred sixty-three billion, one hundred forty-nine million, three hundred ninety-five thousand, eight".