16109373643 has 8 divisors (see below), whose sum is σ = 17647395840. Its totient is φ = 14583607080.

The previous prime is 16109373641. The next prime is 16109373659. The reversal of 16109373643 is 34637390161.

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

It is a cyclic number.

It is not a de Polignac number, because 16109373643 - 2¹ = 16109373641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16109373643.

It is not an unprimeable number, because it can be changed into a prime (16109373641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061155 + ... + 3066412.

It is an arithmetic number, because the mean of its divisors is an integer number (2205924480).

Almost surely, 2^16109373643 is an apocalyptic number.

16109373643 is a deficient number, since it is larger than the sum of its proper divisors (1538022197).

16109373643 is a wasteful number, since it uses less digits than its factorization.

16109373643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127817.

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 16109373643 in words is "sixteen billion, one hundred nine million, three hundred seventy-three thousand, six hundred forty-three".