16676681894 has 8 divisors (see below), whose sum is σ = 25087113288. Its totient is φ = 8314310800.

The previous prime is 16676681839. The next prime is 16676682017. The reversal of 16676681894 is 49818667661.

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

It is a super-3 number, since 3×16676681894³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12014207 + ... + 12015594.

It is an arithmetic number, because the mean of its divisors is an integer number (3135889161).

Almost surely, 2^16676681894 is an apocalyptic number.

16676681894 is a deficient number, since it is larger than the sum of its proper divisors (8410431394).

16676681894 is a wasteful number, since it uses less digits than its factorization.

16676681894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030150.

The product of its digits is 20901888, while the sum is 62.

The spelling of 16676681894 in words is "sixteen billion, six hundred seventy-six million, six hundred eighty-one thousand, eight hundred ninety-four".