16464347793 has 20 divisors (see below), whose sum is σ = 24601874880. Its totient is φ = 10973114712.

The previous prime is 16464347773. The next prime is 16464347797. The reversal of 16464347793 is 39774346461.

16464347793 is a `hidden beast` number, since 1 + 6 + 46 + 43 + 477 + 93 = 666.

It is not a de Polignac number, because 16464347793 - 2⁶ = 16464347729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16464347797) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 278148 + ... + 332106.

It is an arithmetic number, because the mean of its divisors is an integer number (1230093744).

Almost surely, 2^16464347793 is an apocalyptic number.

It is an amenable number.

16464347793 is a deficient number, since it is larger than the sum of its proper divisors (8137527087).

16464347793 is an equidigital number, since it uses as much as digits as its factorization.

16464347793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57738 (or 57729 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 16464347793 in words is "sixteen billion, four hundred sixty-four million, three hundred forty-seven thousand, seven hundred ninety-three".