11750071666 has 16 divisors (see below), whose sum is σ = 17726343264. Its totient is φ = 5841387904.

The previous prime is 11750071661. The next prime is 11750071673. The reversal of 11750071666 is 66617005711.

It is a super-2 number, since 2×11750071666² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11750071661) 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, 221001 + ... + 268963.

It is an arithmetic number, because the mean of its divisors is an integer number (1107896454).

Almost surely, 2^11750071666 is an apocalyptic number.

11750071666 is a deficient number, since it is larger than the sum of its proper divisors (5976271598).

11750071666 is a wasteful number, since it uses less digits than its factorization.

11750071666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48665.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 11750071666 in words is "eleven billion, seven hundred fifty million, seventy-one thousand, six hundred sixty-six".