2661736286 has 16 divisors (see below), whose sum is σ = 4356404208. Its totient is φ = 1209648000.

The previous prime is 2661736283. The next prime is 2661736321. The reversal of 2661736286 is 6826371662.

It is a self number, because there is not a number n which added to its sum of digits gives 2661736286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661736283) 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, 166166 + ... + 181478.

It is an arithmetic number, because the mean of its divisors is an integer number (272275263).

Almost surely, 2^2661736286 is an apocalyptic number.

2661736286 is a deficient number, since it is larger than the sum of its proper divisors (1694667922).

2661736286 is a wasteful number, since it uses less digits than its factorization.

2661736286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23227.

The product of its digits is 870912, while the sum is 47.

The square root of 2661736286 is about 51592.0176577734. The cubic root of 2661736286 is about 1385.8673876953.

The spelling of 2661736286 in words is "two billion, six hundred sixty-one million, seven hundred thirty-six thousand, two hundred eighty-six".