2261163726683 has 16 divisors (see below), whose sum is σ = 2296138363200. Its totient is φ = 2226300111360.

The previous prime is 2261163726649. The next prime is 2261163726697. The reversal of 2261163726683 is 3866273611622.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2261163726683 is a prime.

It is a super-2 number, since 2×2261163726683² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261163726083) 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, 131156978 + ... + 131174216.

It is an arithmetic number, because the mean of its divisors is an integer number (143508647700).

Almost surely, 2^{2261163726683} is an apocalyptic number.

2261163726683 is a deficient number, since it is larger than the sum of its proper divisors (34974636517).

2261163726683 is a wasteful number, since it uses less digits than its factorization.

2261163726683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20342.

The product of its digits is 5225472, while the sum is 53.

The spelling of 2261163726683 in words is "two trillion, two hundred sixty-one billion, one hundred sixty-three million, seven hundred twenty-six thousand, six hundred eighty-three".