11365661662 has 16 divisors (see below), whose sum is σ = 17146536192. Its totient is φ = 5650180480.

The previous prime is 11365661653. The next prime is 11365661687. The reversal of 11365661662 is 26616656311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 870978 + ... + 883930.

It is an arithmetic number, because the mean of its divisors is an integer number (1071658512).

Almost surely, 2^11365661662 is an apocalyptic number.

11365661662 is a deficient number, since it is larger than the sum of its proper divisors (5780874530).

11365661662 is a wasteful number, since it uses less digits than its factorization.

11365661662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15443.

The product of its digits is 233280, while the sum is 43.

The spelling of 11365661662 in words is "eleven billion, three hundred sixty-five million, six hundred sixty-one thousand, six hundred sixty-two".