16560972383 has 4 divisors (see below), whose sum is σ = 16602271968. Its totient is φ = 16519672800.

The previous prime is 16560972359. The next prime is 16560972391. The reversal of 16560972383 is 38327906561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38327906561 = 7 ⋅5475415223.

It is a cyclic number.

It is not a de Polignac number, because 16560972383 - 2²⁸ = 16292536927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16560972343) 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, 20649191 + ... + 20649992.

It is an arithmetic number, because the mean of its divisors is an integer number (4150567992).

Almost surely, 2^16560972383 is an apocalyptic number.

16560972383 is a deficient number, since it is larger than the sum of its proper divisors (41299585).

16560972383 is an equidigital number, since it uses as much as digits as its factorization.

16560972383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41299584.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 16560972383 in words is "sixteen billion, five hundred sixty million, nine hundred seventy-two thousand, three hundred eighty-three".