16464311463 has 4 divisors (see below), whose sum is σ = 21952415288. Its totient is φ = 10976207640.

The previous prime is 16464311443. The next prime is 16464311489. The reversal of 16464311463 is 36411346461.

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

It is not a de Polignac number, because 16464311463 - 2⁶ = 16464311399 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 (16464311443) 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, 2744051908 + ... + 2744051913.

It is an arithmetic number, because the mean of its divisors is an integer number (5488103822).

Almost surely, 2^16464311463 is an apocalyptic number.

16464311463 is a deficient number, since it is larger than the sum of its proper divisors (5488103825).

16464311463 is an equidigital number, since it uses as much as digits as its factorization.

16464311463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5488103824.

The product of its digits is 124416, while the sum is 39.

The spelling of 16464311463 in words is "sixteen billion, four hundred sixty-four million, three hundred eleven thousand, four hundred sixty-three".