16138000287369 has 45 divisors (see below), whose sum is σ = 24239941457853. Its totient is φ = 10699830756648.

The previous prime is 16138000287337. The next prime is 16138000287397. The reversal of 16138000287369 is 96378200083161.

The square root of 16138000287369 is 4017213.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 16138000287369 - 2⁵ = 16138000287337 is a prime.

It is a super-2 number, since 2×16138000287369² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16138000287319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7194827362 + ... + 7194829604.

Almost surely, 2^{16138000287369} is an apocalyptic number.

16138000287369 is the 4017213-rd square number.

16138000287369 is the 2008607-th centered octagonal number.

It is an amenable number.

16138000287369 is a deficient number, since it is larger than the sum of its proper divisors (8101941170484).

16138000287369 is an frugal number, since it uses more digits than its factorization.

16138000287369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 16138000287369 in words is "sixteen trillion, one hundred thirty-eight billion, two hundred eighty-seven thousand, three hundred sixty-nine".