28964991066 has 32 divisors (see below), whose sum is σ = 66522470400. Its totient is φ = 8315308080.

The previous prime is 28964991043. The next prime is 28964991101. The reversal of 28964991066 is 66019946982.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11547786 + ... + 11550293.

It is an arithmetic number, because the mean of its divisors is an integer number (2078827200).

Almost surely, 2^28964991066 is an apocalyptic number.

28964991066 is an abundant number, since it is smaller than the sum of its proper divisors (37557479334).

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

28964991066 is a wasteful number, since it uses less digits than its factorization.

28964991066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23098114.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 28964991066 in words is "twenty-eight billion, nine hundred sixty-four million, nine hundred ninety-one thousand, sixty-six".