16320353812 has 24 divisors (see below), whose sum is σ = 33256573056. Its totient is φ = 6862466208.

The previous prime is 16320353807. The next prime is 16320353813. The reversal of 16320353812 is 21835302361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16320353813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5497288 + ... + 5500255.

It is an arithmetic number, because the mean of its divisors is an integer number (1385690544).

Almost surely, 2^16320353812 is an apocalyptic number.

It is an amenable number.

16320353812 is an abundant number, since it is smaller than the sum of its proper divisors (16936219244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16320353812 is a wasteful number, since it uses less digits than its factorization.

16320353812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997607 (or 10997605 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16320353812 in words is "sixteen billion, three hundred twenty million, three hundred fifty-three thousand, eight hundred twelve".