660868184998 has 8 divisors (see below), whose sum is σ = 1132916888592. Its totient is φ = 283229222136.

The previous prime is 660868184993. The next prime is 660868185041. The reversal of 660868184998 is 899481868066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 660868184998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660868184993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23602435165 + ... + 23602435192.

It is an arithmetic number, because the mean of its divisors is an integer number (141614611074).

Almost surely, 2^660868184998 is an apocalyptic number.

660868184998 is a deficient number, since it is larger than the sum of its proper divisors (472048703594).

660868184998 is a wasteful number, since it uses less digits than its factorization.

660868184998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47204870366.

The product of its (nonzero) digits is 286654464, while the sum is 73.

The spelling of 660868184998 in words is "six hundred sixty billion, eight hundred sixty-eight million, one hundred eighty-four thousand, nine hundred ninety-eight".