18948866300668 has 24 divisors (see below), whose sum is σ = 33969509222544. Its totient is φ = 9243294960000.

The previous prime is 18948866300647. The next prime is 18948866300677. The reversal of 18948866300668 is 86600366884981.

It is a self number, because there is not a number n which added to its sum of digits gives 18948866300668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52834446 + ... + 53191882.

It is an arithmetic number, because the mean of its divisors is an integer number (1415396217606).

Almost surely, 2^{18948866300668} is an apocalyptic number.

It is an amenable number.

18948866300668 is a deficient number, since it is larger than the sum of its proper divisors (15020642921876).

18948866300668 is a wasteful number, since it uses less digits than its factorization.

18948866300668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680733 (or 680731 counting only the distinct ones).

The product of its (nonzero) digits is 573308928, while the sum is 73.

The spelling of 18948866300668 in words is "eighteen trillion, nine hundred forty-eight billion, eight hundred sixty-six million, three hundred thousand, six hundred sixty-eight".