16387904206 has 8 divisors (see below), whose sum is σ = 25875638280. Its totient is φ = 7762691448.

The previous prime is 16387904191. The next prime is 16387904209. The reversal of 16387904206 is 60240978361.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16387904209) 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, 215630281 + ... + 215630356.

It is an arithmetic number, because the mean of its divisors is an integer number (3234454785).

Almost surely, 2^16387904206 is an apocalyptic number.

16387904206 is a deficient number, since it is larger than the sum of its proper divisors (9487734074).

16387904206 is a wasteful number, since it uses less digits than its factorization.

16387904206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431260658.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 16387904206 in words is "sixteen billion, three hundred eighty-seven million, nine hundred four thousand, two hundred six".