16866698854 has 8 divisors (see below), whose sum is σ = 25300606248. Its totient is φ = 8433163440.

The previous prime is 16866698839. The next prime is 16866698857. The reversal of 16866698854 is 45889666861.

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

It is a super-4 number, since 4×16866698854⁴ (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16866698854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16866698857) 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, 102874 + ... + 210514.

It is an arithmetic number, because the mean of its divisors is an integer number (3162575781).

Almost surely, 2^16866698854 is an apocalyptic number.

16866698854 is a deficient number, since it is larger than the sum of its proper divisors (8433907394).

16866698854 is a wasteful number, since it uses less digits than its factorization.

16866698854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185990.

The product of its digits is 119439360, while the sum is 67.

The spelling of 16866698854 in words is "sixteen billion, eight hundred sixty-six million, six hundred ninety-eight thousand, eight hundred fifty-four".