16666683350 has 24 divisors (see below), whose sum is σ = 31012155720. Its totient is φ = 6664065920.

The previous prime is 16666683343. The next prime is 16666683353. The reversal of 16666683350 is 5338666661.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16666683353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66569 + ... + 194331.

It is an arithmetic number, because the mean of its divisors is an integer number (1292173155).

Almost surely, 2^16666683350 is an apocalyptic number.

16666683350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16666683350 is a deficient number, since it is larger than the sum of its proper divisors (14345472370).

16666683350 is a wasteful number, since it uses less digits than its factorization.

16666683350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130384 (or 130379 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 16666683350 in words is "sixteen billion, six hundred sixty-six million, six hundred eighty-three thousand, three hundred fifty".