16007326517 has 12 divisors (see below), whose sum is σ = 20053135116. Its totient is φ = 12665136960.

The previous prime is 16007326381. The next prime is 16007326547. The reversal of 16007326517 is 71562370061.

It can be written as a sum of positive squares in 2 ways, for example, as 3340724401 + 12666602116 = 57799^2 + 112546^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16007326517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16007326547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12563984 + ... + 12565257.

It is an arithmetic number, because the mean of its divisors is an integer number (1671094593).

Almost surely, 2^16007326517 is an apocalyptic number.

It is an amenable number.

16007326517 is a deficient number, since it is larger than the sum of its proper divisors (4045808599).

16007326517 is a wasteful number, since it uses less digits than its factorization.

16007326517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25129268 (or 25129261 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

Adding to 16007326517 its reverse (71562370061), we get a palindrome (87569696578).

The spelling of 16007326517 in words is "sixteen billion, seven million, three hundred twenty-six thousand, five hundred seventeen".