16440623034131 has 4 divisors (see below), whose sum is σ = 16501289540064. Its totient is φ = 16379956528200.

The previous prime is 16440623034119. The next prime is 16440623034133. The reversal of 16440623034131 is 13143032604461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16440623034131 - 2³⁸ = 16165745127187 is a prime.

It is a super-3 number, since 3×16440623034131³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16440623034133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30333252560 + ... + 30333253101.

It is an arithmetic number, because the mean of its divisors is an integer number (4125322385016).

Almost surely, 2^{16440623034131} is an apocalyptic number.

16440623034131 is a deficient number, since it is larger than the sum of its proper divisors (60666505933).

16440623034131 is an equidigital number, since it uses as much as digits as its factorization.

16440623034131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60666505932.

The product of its (nonzero) digits is 124416, while the sum is 38.

Adding to 16440623034131 its reverse (13143032604461), we get a palindrome (29583655638592).

The spelling of 16440623034131 in words is "sixteen trillion, four hundred forty billion, six hundred twenty-three million, thirty-four thousand, one hundred thirty-one".