18199485104641 has 16 divisors (see below), whose sum is σ = 18803269900800. Its totient is φ = 17603568028800.

The previous prime is 18199485104639. The next prime is 18199485104681. The reversal of 18199485104641 is 14640158499181.

It is a cyclic number.

It is not a de Polignac number, because 18199485104641 - 2¹ = 18199485104639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18199485104641.

It is not an unprimeable number, because it can be changed into a prime (18199485104681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4156720 + ... + 7326478.

It is an arithmetic number, because the mean of its divisors is an integer number (1175204368800).

Almost surely, 2^{18199485104641} is an apocalyptic number.

It is an amenable number.

18199485104641 is a deficient number, since it is larger than the sum of its proper divisors (603784796159).

18199485104641 is a wasteful number, since it uses less digits than its factorization.

18199485104641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171000.

The product of its (nonzero) digits is 9953280, while the sum is 61.

The spelling of 18199485104641 in words is "eighteen trillion, one hundred ninety-nine billion, four hundred eighty-five million, one hundred four thousand, six hundred forty-one".