16458822465 has 16 divisors (see below), whose sum is σ = 26336060928. Its totient is φ = 8777390336.

The previous prime is 16458822463. The next prime is 16458822503. The reversal of 16458822465 is 56422885461.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16458822465 - 2¹ = 16458822463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16458822461) 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, 225817 + ... + 289673.

It is an arithmetic number, because the mean of its divisors is an integer number (1646003808).

Almost surely, 2^16458822465 is an apocalyptic number.

16458822465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16458822465 is a deficient number, since it is larger than the sum of its proper divisors (9877238463).

16458822465 is a wasteful number, since it uses less digits than its factorization.

16458822465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81048.

The product of its digits is 3686400, while the sum is 51.

The spelling of 16458822465 in words is "sixteen billion, four hundred fifty-eight million, eight hundred twenty-two thousand, four hundred sixty-five".