16226702689 has 4 divisors (see below), whose sum is σ = 16378354224. Its totient is φ = 16075051156.

The previous prime is 16226702627. The next prime is 16226702729. The reversal of 16226702689 is 98620762261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16226702689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16226702189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75825607 + ... + 75825820.

It is an arithmetic number, because the mean of its divisors is an integer number (4094588556).

Almost surely, 2^16226702689 is an apocalyptic number.

It is an amenable number.

16226702689 is a deficient number, since it is larger than the sum of its proper divisors (151651535).

16226702689 is a wasteful number, since it uses less digits than its factorization.

16226702689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151651534.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 16226702689 in words is "sixteen billion, two hundred twenty-six million, seven hundred two thousand, six hundred eighty-nine".