16683349974 has 8 divisors (see below), whose sum is σ = 33366699960. Its totient is φ = 5561116656.

The previous prime is 16683349957. The next prime is 16683349979. The reversal of 16683349974 is 47994338661.

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

16683349974 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16683349979) 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, 1390279159 + ... + 1390279170.

It is an arithmetic number, because the mean of its divisors is an integer number (4170837495).

Almost surely, 2^16683349974 is an apocalyptic number.

16683349974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16683349974 is a wasteful number, since it uses less digits than its factorization.

16683349974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780558334.

The product of its digits is 23514624, while the sum is 60.

The spelling of 16683349974 in words is "sixteen billion, six hundred eighty-three million, three hundred forty-nine thousand, nine hundred seventy-four".