16223834765 has 16 divisors (see below), whose sum is σ = 19754948736. Its totient is φ = 12788395200.

The previous prime is 16223834761. The next prime is 16223834771. The reversal of 16223834765 is 56743832261.

It is not a de Polignac number, because 16223834765 - 2² = 16223834761 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 (16223834761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602030 + ... + 628400.

It is an arithmetic number, because the mean of its divisors is an integer number (1234684296).

Almost surely, 2^16223834765 is an apocalyptic number.

It is an amenable number.

16223834765 is a deficient number, since it is larger than the sum of its proper divisors (3531113971).

16223834765 is a wasteful number, since it uses less digits than its factorization.

16223834765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28180.

The product of its digits is 1451520, while the sum is 47.

The spelling of 16223834765 in words is "sixteen billion, two hundred twenty-three million, eight hundred thirty-four thousand, seven hundred sixty-five".