16132259681 has 8 divisors (see below), whose sum is σ = 17016787200. Its totient is φ = 15251278320.

The previous prime is 16132259659. The next prime is 16132259683. The reversal of 16132259681 is 18695223161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16132259681 - 2¹⁸ = 16131997537 is a prime.

It is a super-2 number, since 2×16132259681² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16132259683) 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 7 ways as a sum of consecutive naturals, for example, 877190 + ... + 895391.

It is an arithmetic number, because the mean of its divisors is an integer number (2127098400).

Almost surely, 2^16132259681 is an apocalyptic number.

It is an amenable number.

16132259681 is a deficient number, since it is larger than the sum of its proper divisors (884527519).

16132259681 is a wasteful number, since it uses less digits than its factorization.

16132259681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773079.

The product of its digits is 155520, while the sum is 44.

The spelling of 16132259681 in words is "sixteen billion, one hundred thirty-two million, two hundred fifty-nine thousand, six hundred eighty-one".