18501675016828 has 48 divisors (see below), whose sum is σ = 33043663231488. Its totient is φ = 9062379144000.

The previous prime is 18501675016793. The next prime is 18501675016831. The reversal of 18501675016828 is 82861057610581.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60040401 + ... + 60347767.

It is an arithmetic number, because the mean of its divisors is an integer number (688409650656).

Almost surely, 2^{18501675016828} is an apocalyptic number.

It is an amenable number.

18501675016828 is a deficient number, since it is larger than the sum of its proper divisors (14541988214660).

18501675016828 is a wasteful number, since it uses less digits than its factorization.

18501675016828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308794 (or 308792 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 58.

The spelling of 18501675016828 in words is "eighteen trillion, five hundred one billion, six hundred seventy-five million, sixteen thousand, eight hundred twenty-eight".