16273437261 has 8 divisors (see below), whose sum is σ = 22446120480. Its totient is φ = 10474856112.

The previous prime is 16273437217. The next prime is 16273437269.

16273437261 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 16273437261 - 2¹³ = 16273429069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273437269) 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, 93525415 + ... + 93525588.

It is an arithmetic number, because the mean of its divisors is an integer number (2805765060).

Almost surely, 2^16273437261 is an apocalyptic number.

It is an amenable number.

16273437261 is a deficient number, since it is larger than the sum of its proper divisors (6172683219).

16273437261 is a wasteful number, since it uses less digits than its factorization.

16273437261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187051035.

The product of its digits is 254016, while the sum is 42.

The spelling of 16273437261 in words is "sixteen billion, two hundred seventy-three million, four hundred thirty-seven thousand, two hundred sixty-one".