16696582309044 has 384 divisors, whose sum is σ = 51635327385600. Its totient is φ = 4606377984000.

The previous prime is 16696582309039. The next prime is 16696582309091. The reversal of 16696582309044 is 44090328569661.

16696582309044 is a `hidden beast` number, since 1 + 6 + 6 + 9 + 6 + 582 + 3 + 0 + 9 + 0 + 44 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2084202999 + ... + 2084211009.

It is an arithmetic number, because the mean of its divisors is an integer number (134466998400).

Almost surely, 2^{16696582309044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16696582309044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25817663692800).

16696582309044 is an abundant number, since it is smaller than the sum of its proper divisors (34938745076556).

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

16696582309044 is a wasteful number, since it uses less digits than its factorization.

16696582309044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11412 (or 11404 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 16696582309044 in words is "sixteen trillion, six hundred ninety-six billion, five hundred eighty-two million, three hundred nine thousand, forty-four".