663008194332 has 72 divisors (see below), whose sum is σ = 1830661363440. Its totient is φ = 200651569920.

The previous prime is 663008194309. The next prime is 663008194363. The reversal of 663008194332 is 233491800366.

663008194332 is a `hidden beast` number, since 6 + 6 + 300 + 8 + 1 + 9 + 4 + 332 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776857 + ... + 1389072.

It is an arithmetic number, because the mean of its divisors is an integer number (25425852270).

Almost surely, 2^663008194332 is an apocalyptic number.

It is an amenable number.

663008194332 is an abundant number, since it is smaller than the sum of its proper divisors (1167653169108).

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

663008194332 is a wasteful number, since it uses less digits than its factorization.

663008194332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166723 (or 2166718 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

Adding to 663008194332 its reverse (233491800366), we get a palindrome (896499994698).

The spelling of 663008194332 in words is "six hundred sixty-three billion, eight million, one hundred ninety-four thousand, three hundred thirty-two".