29993000007666 has 32 divisors (see below), whose sum is σ = 64712976720768. Its totient is φ = 9232029597440.

The previous prime is 29993000007653. The next prime is 29993000007667. The reversal of 29993000007666 is 66670000039992.

It is not an unprimeable number, because it can be changed into a prime (29993000007667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2774041950 + ... + 2774052761.

It is an arithmetic number, because the mean of its divisors is an integer number (2022280522524).

Almost surely, 2^{29993000007666} is an apocalyptic number.

29993000007666 is an abundant number, since it is smaller than the sum of its proper divisors (34719976713102).

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

29993000007666 is a wasteful number, since it uses less digits than its factorization.

29993000007666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5548094786.

The product of its (nonzero) digits is 6613488, while the sum is 57.

The spelling of 29993000007666 in words is "twenty-nine trillion, nine hundred ninety-three billion, seven thousand, six hundred sixty-six".