11504161666 has 32 divisors (see below), whose sum is σ = 18283615488. Its totient is φ = 5417522880.

The previous prime is 11504161657. The next prime is 11504161673. The reversal of 11504161666 is 66616140511.

11504161666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254436 + ... + 3257968.

It is an arithmetic number, because the mean of its divisors is an integer number (571362984).

Almost surely, 2^11504161666 is an apocalyptic number.

11504161666 is a deficient number, since it is larger than the sum of its proper divisors (6779453822).

11504161666 is a wasteful number, since it uses less digits than its factorization.

11504161666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 11504161666 in words is "eleven billion, five hundred four million, one hundred sixty-one thousand, six hundred sixty-six".