663592680342 has 24 divisors (see below), whose sum is σ = 1442407253040. Its totient is φ = 220486312080.

The previous prime is 663592680329. The next prime is 663592680347. The reversal of 663592680342 is 243086295366.

It is a happy number.

663592680342 is a `hidden beast` number, since 6 + 6 + 3 + 592 + 6 + 8 + 0 + 3 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663592680347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59264917 + ... + 59276112.

It is an arithmetic number, because the mean of its divisors is an integer number (60100302210).

Almost surely, 2^663592680342 is an apocalyptic number.

663592680342 is an abundant number, since it is smaller than the sum of its proper divisors (778814572698).

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

663592680342 is a wasteful number, since it uses less digits than its factorization.

663592680342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118541348 (or 118541345 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 663592680342 in words is "six hundred sixty-three billion, five hundred ninety-two million, six hundred eighty thousand, three hundred forty-two".