16273037261 has 8 divisors (see below), whose sum is σ = 17932363680. Its totient is φ = 14671932912.

The previous prime is 16273037239. The next prime is 16273037273.

16273037261 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 16273037261 - 2¹⁸ = 16272775117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273030261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14554931 + ... + 14556048.

It is an arithmetic number, because the mean of its divisors is an integer number (2241545460).

Almost surely, 2^16273037261 is an apocalyptic number.

It is an amenable number.

16273037261 is a deficient number, since it is larger than the sum of its proper divisors (1659326419).

16273037261 is a wasteful number, since it uses less digits than its factorization.

16273037261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29111035.

The product of its (nonzero) digits is 63504, while the sum is 38.

It can be divided in two parts, 162730 and 37261, that added together give a palindrome (199991).

The spelling of 16273037261 in words is "sixteen billion, two hundred seventy-three million, thirty-seven thousand, two hundred sixty-one".