29934406666 has 64 divisors (see below), whose sum is σ = 48927691008. Its totient is φ = 13697468928.

The previous prime is 29934406637. The next prime is 29934406669. The reversal of 29934406666 is 66660443992.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (29934406669) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 44215920 + ... + 44216596.

It is an arithmetic number, because the mean of its divisors is an integer number (764495172).

Almost surely, 2^29934406666 is an apocalyptic number.

29934406666 is a deficient number, since it is larger than the sum of its proper divisors (18993284342).

29934406666 is a wasteful number, since it uses less digits than its factorization.

29934406666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 10077696, while the sum is 55.

The spelling of 29934406666 in words is "twenty-nine billion, nine hundred thirty-four million, four hundred six thousand, six hundred sixty-six".