16669394000 has 80 divisors (see below), whose sum is σ = 46064718336. Its totient is φ = 5715216000.

The previous prime is 16669393969. The next prime is 16669394011. The reversal of 16669394000 is 49396661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581336 + ... + 609335.

Almost surely, 2^16669394000 is an apocalyptic number.

16669394000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16669394000 is an abundant number, since it is smaller than the sum of its proper divisors (29395324336).

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

16669394000 is a wasteful number, since it uses less digits than its factorization.

16669394000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190701 (or 1190685 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 16669394000 in words is "sixteen billion, six hundred sixty-nine million, three hundred ninety-four thousand".