16082321013 has 32 divisors (see below), whose sum is σ = 26312553600. Its totient is φ = 9746846640.

The previous prime is 16082321009. The next prime is 16082321111. The reversal of 16082321013 is 31012328061.

It is a happy number.

16082321013 is a `hidden beast` number, since 1 + 608 + 2 + 32 + 10 + 13 = 666.

It is not a de Polignac number, because 16082321013 - 2² = 16082321009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16082321413) 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, 310198 + ... + 358311.

It is an arithmetic number, because the mean of its divisors is an integer number (822267300).

Almost surely, 2^16082321013 is an apocalyptic number.

It is an amenable number.

16082321013 is a deficient number, since it is larger than the sum of its proper divisors (10230232587).

16082321013 is an frugal number, since it uses more digits than its factorization.

16082321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668541 (or 668523 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 16082321013 its reverse (31012328061), we get a palindrome (47094649074).

The spelling of 16082321013 in words is "sixteen billion, eighty-two million, three hundred twenty-one thousand, thirteen".