16632764497439 has 4 divisors (see below), whose sum is σ = 16632787642224. Its totient is φ = 16632741352656.

The previous prime is 16632764497429. The next prime is 16632764497513. The reversal of 16632764497439 is 93479446723661.

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-16632764497439 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 (16632764497429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10458707 + ... + 11943620.

It is an arithmetic number, because the mean of its divisors is an integer number (4158196910556).

Almost surely, 2^{16632764497439} is an apocalyptic number.

16632764497439 is a deficient number, since it is larger than the sum of its proper divisors (23144785).

16632764497439 is an equidigital number, since it uses as much as digits as its factorization.

16632764497439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23144784.

The product of its digits is 987614208, while the sum is 71.

The spelling of 16632764497439 in words is "sixteen trillion, six hundred thirty-two billion, seven hundred sixty-four million, four hundred ninety-seven thousand, four hundred thirty-nine".