11584951966 has 16 divisors (see below), whose sum is σ = 20905176960. Its totient is φ = 4703664600.

The previous prime is 11584951957. The next prime is 11584951979. The reversal of 11584951966 is 66915948511.

It is a happy number.

It is a super-2 number, since 2×11584951966² (a number of 21 digits) contains 22 as substring.

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, 21775960 + ... + 21776491.

It is an arithmetic number, because the mean of its divisors is an integer number (1306573560).

Almost surely, 2^11584951966 is an apocalyptic number.

11584951966 is a deficient number, since it is larger than the sum of its proper divisors (9320224994).

11584951966 is a wasteful number, since it uses less digits than its factorization.

11584951966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43552479.

The product of its digits is 2332800, while the sum is 55.

The spelling of 11584951966 in words is "eleven billion, five hundred eighty-four million, nine hundred fifty-one thousand, nine hundred sixty-six".