16642920380339 has 8 divisors (see below), whose sum is σ = 18155949947760. Its totient is φ = 15129896947200.

The previous prime is 16642920380327. The next prime is 16642920380389. The reversal of 16642920380339 is 93308302924661.

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 16642920380339 - 2⁴ = 16642920380323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16642920380389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5569859 + ... + 8019299.

It is an arithmetic number, because the mean of its divisors is an integer number (2269493743470).

Almost surely, 2^{16642920380339} is an apocalyptic number.

16642920380339 is a deficient number, since it is larger than the sum of its proper divisors (1513029567421).

16642920380339 is a wasteful number, since it uses less digits than its factorization.

16642920380339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067141.

The product of its (nonzero) digits is 10077696, while the sum is 56.

The spelling of 16642920380339 in words is "sixteen trillion, six hundred forty-two billion, nine hundred twenty million, three hundred eighty thousand, three hundred thirty-nine".