16089777607 has 4 divisors (see below), whose sum is σ = 16092347176. Its totient is φ = 16087208040.

The previous prime is 16089777601. The next prime is 16089777623. The reversal of 16089777607 is 70677798061.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16089777607 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 (16089777601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275369 + ... + 1287922.

It is an arithmetic number, because the mean of its divisors is an integer number (4023086794).

Almost surely, 2^16089777607 is an apocalyptic number.

16089777607 is a deficient number, since it is larger than the sum of its proper divisors (2569569).

16089777607 is an equidigital number, since it uses as much as digits as its factorization.

16089777607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2569568.

The product of its (nonzero) digits is 6223392, while the sum is 58.

The spelling of 16089777607 in words is "sixteen billion, eighty-nine million, seven hundred seventy-seven thousand, six hundred seven".