18835700216854 has 8 divisors (see below), whose sum is σ = 28854689694048. Its totient is φ = 9217470318840.

The previous prime is 18835700216833. The next prime is 18835700216857. The reversal of 18835700216854 is 45861200753881.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18835700216857) 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, 100189894677 + ... + 100189894864.

It is an arithmetic number, because the mean of its divisors is an integer number (3606836211756).

Almost surely, 2^{18835700216854} is an apocalyptic number.

18835700216854 is a deficient number, since it is larger than the sum of its proper divisors (10018989477194).

18835700216854 is a wasteful number, since it uses less digits than its factorization.

18835700216854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200379789590.

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 18835700216854 in words is "eighteen trillion, eight hundred thirty-five billion, seven hundred million, two hundred sixteen thousand, eight hundred fifty-four".