16005620419 has 8 divisors (see below), whose sum is σ = 16402231040. Its totient is φ = 15613648776.

The previous prime is 16005620381. The next prime is 16005620437. The reversal of 16005620419 is 91402650061.

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 16005620419 - 2⁷ = 16005620291 is a prime.

It is a super-2 number, since 2×16005620419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16005626419) 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, 1152759 + ... + 1166560.

It is an arithmetic number, because the mean of its divisors is an integer number (2050278880).

Almost surely, 2^16005620419 is an apocalyptic number.

16005620419 is the 73043-rd hex number.

16005620419 is a deficient number, since it is larger than the sum of its proper divisors (396610621).

16005620419 is a wasteful number, since it uses less digits than its factorization.

16005620419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319489.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 16005620419 in words is "sixteen billion, five million, six hundred twenty thousand, four hundred nineteen".