16350172516 has 6 divisors (see below), whose sum is σ = 28612801910. Its totient is φ = 8175086256.

The previous prime is 16350172481. The next prime is 16350172523. The reversal of 16350172516 is 61527105361.

It can be written as a sum of positive squares in only one way, i.e., 16308311616 + 41860900 = 127704^2 + 6470^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2043771561 + ... + 2043771568.

Almost surely, 2^16350172516 is an apocalyptic number.

It is an amenable number.

16350172516 is a deficient number, since it is larger than the sum of its proper divisors (12262629394).

16350172516 is a wasteful number, since it uses less digits than its factorization.

16350172516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087543133 (or 4087543131 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

Adding to 16350172516 its reverse (61527105361), we get a palindrome (77877277877).

The spelling of 16350172516 in words is "sixteen billion, three hundred fifty million, one hundred seventy-two thousand, five hundred sixteen".