16390061669376 has 704 divisors, whose sum is σ = 52209308160000. Its totient is φ = 5063427293184.

The previous prime is 16390061669347. The next prime is 16390061669383. The reversal of 16390061669376 is 67396616009361.

16390061669376 is a `hidden beast` number, since 1 + 6 + 3 + 9 + 0 + 0 + 616 + 6 + 9 + 3 + 7 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13336095130 + ... + 13336096358.

Almost surely, 2^{16390061669376} is an apocalyptic number.

16390061669376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16390061669376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26104654080000).

16390061669376 is an abundant number, since it is smaller than the sum of its proper divisors (35819246490624).

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

16390061669376 is a wasteful number, since it uses less digits than its factorization.

16390061669376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 63.

The spelling of 16390061669376 in words is "sixteen trillion, three hundred ninety billion, sixty-one million, six hundred sixty-nine thousand, three hundred seventy-six".