16072506085 has 4 divisors (see below), whose sum is σ = 19287007308. Its totient is φ = 12858004864.

The previous prime is 16072506031. The next prime is 16072506091. The reversal of 16072506085 is 58060527061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12287057409 + 3785448676 = 110847^2 + 61526^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072506085 - 2¹³ = 16072497893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607250604 + ... + 1607250613.

It is an arithmetic number, because the mean of its divisors is an integer number (4821751827).

Almost surely, 2^16072506085 is an apocalyptic number.

It is an amenable number.

16072506085 is a deficient number, since it is larger than the sum of its proper divisors (3214501223).

16072506085 is an equidigital number, since it uses as much as digits as its factorization.

16072506085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214501222.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 16072506085 in words is "sixteen billion, seventy-two million, five hundred six thousand, eighty-five".