29440668666 has 16 divisors (see below), whose sum is σ = 58883752224. Its totient is φ = 9813153744.

The previous prime is 29440668641. The next prime is 29440668689. The reversal of 29440668666 is 66686604492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83896 + ... + 256748.

It is an arithmetic number, because the mean of its divisors is an integer number (3680234514).

Almost surely, 2^29440668666 is an apocalyptic number.

29440668666 is an abundant number, since it is smaller than the sum of its proper divisors (29443083558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29440668666 is a wasteful number, since it uses less digits than its factorization.

29440668666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201245.

The product of its (nonzero) digits is 17915904, while the sum is 57.

The spelling of 29440668666 in words is "twenty-nine billion, four hundred forty million, six hundred sixty-eight thousand, six hundred sixty-six".