16238020476805 has 8 divisors (see below), whose sum is σ = 20114193106944. Its totient is φ = 12571370691600.

The previous prime is 16238020476781. The next prime is 16238020476809. The reversal of 16238020476805 is 50867402083261.

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

It is not a de Polignac number, because 16238020476805 - 2¹⁷ = 16238020345733 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 (16238020476809) 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, 52380711061 + ... + 52380711370.

It is an arithmetic number, because the mean of its divisors is an integer number (2514274138368).

Almost surely, 2^{16238020476805} is an apocalyptic number.

It is an amenable number.

16238020476805 is a deficient number, since it is larger than the sum of its proper divisors (3876172630139).

16238020476805 is a wasteful number, since it uses less digits than its factorization.

16238020476805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104761422467.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 16238020476805 in words is "sixteen trillion, two hundred thirty-eight billion, twenty million, four hundred seventy-six thousand, eight hundred five".