16243355334261 has 16 divisors (see below), whose sum is σ = 24388850239488. Its totient is φ = 9526894623600.

The previous prime is 16243355334259. The next prime is 16243355334289.

16243355334261 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16243355334261 - 2¹ = 16243355334259 is a prime.

It is a super-2 number, since 2×16243355334261² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16243355334261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16243355330261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7939077831 + ... + 7939079876.

It is an arithmetic number, because the mean of its divisors is an integer number (1524303139968).

Almost surely, 2^{16243355334261} is an apocalyptic number.

16243355334261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16243355334261 is a deficient number, since it is larger than the sum of its proper divisors (8145494905227).

16243355334261 is a wasteful number, since it uses less digits than its factorization.

16243355334261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15878157752.

The product of its digits is 4665600, while the sum is 48.

It can be divided in two parts, 1624335 and 5334261, that added together give a palindrome (6958596).

The spelling of 16243355334261 in words is "sixteen trillion, two hundred forty-three billion, three hundred fifty-five million, three hundred thirty-four thousand, two hundred sixty-one".