16634478795 has 32 divisors (see below), whose sum is σ = 29742902784. Its totient is φ = 7868486400.

The previous prime is 16634478779. The next prime is 16634478797. The reversal of 16634478795 is 59787443661.

It is not a de Polignac number, because 16634478795 - 2⁴ = 16634478779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16634478797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222687 + ... + 1236216.

It is an arithmetic number, because the mean of its divisors is an integer number (929465712).

Almost surely, 2^16634478795 is an apocalyptic number.

16634478795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16634478795 is a deficient number, since it is larger than the sum of its proper divisors (13108423989).

16634478795 is a wasteful number, since it uses less digits than its factorization.

16634478795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458963.

The product of its digits is 30481920, while the sum is 60.

The spelling of 16634478795 in words is "sixteen billion, six hundred thirty-four million, four hundred seventy-eight thousand, seven hundred ninety-five".