16280073803609 has 16 divisors (see below), whose sum is σ = 20300785750656. Its totient is φ = 12683552496000.

The previous prime is 16280073803603. The next prime is 16280073803629. The reversal of 16280073803609 is 90630837008261.

It is a cyclic number.

It is not a de Polignac number, because 16280073803609 - 2⁸ = 16280073803353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16280073803603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18051092 + ... + 18931509.

It is an arithmetic number, because the mean of its divisors is an integer number (1268799109416).

Almost surely, 2^{16280073803609} is an apocalyptic number.

It is an amenable number.

16280073803609 is a deficient number, since it is larger than the sum of its proper divisors (4020711947047).

16280073803609 is a wasteful number, since it uses less digits than its factorization.

16280073803609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36988336.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 16280073803609 in words is "sixteen trillion, two hundred eighty billion, seventy-three million, eight hundred three thousand, six hundred nine".