16685166683350 has 24 divisors (see below), whose sum is σ = 33855720034968. Its totient is φ = 6067333339200.

The previous prime is 16685166683309. The next prime is 16685166683407. The reversal of 16685166683350 is 5338666158661.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15168332799 + ... + 15168333898.

It is an arithmetic number, because the mean of its divisors is an integer number (1410655001457).

Almost surely, 2^{16685166683350} is an apocalyptic number.

16685166683350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16685166683350 is an abundant number, since it is smaller than the sum of its proper divisors (17170553351618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16685166683350 is a wasteful number, since it uses less digits than its factorization.

16685166683350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30336666720 (or 30336666715 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 64.

The spelling of 16685166683350 in words is "sixteen trillion, six hundred eighty-five billion, one hundred sixty-six million, six hundred eighty-three thousand, three hundred fifty".