21470066332266 has 16 divisors (see below), whose sum is σ = 42941852013600. Its totient is φ = 7156402219248.

The previous prime is 21470066332237. The next prime is 21470066332283. The reversal of 21470066332266 is 66223366007412.

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, 71477181 + ... + 71776928.

It is an arithmetic number, because the mean of its divisors is an integer number (2683865750850).

Almost surely, 2^{21470066332266} is an apocalyptic number.

21470066332266 is an abundant number, since it is smaller than the sum of its proper divisors (21471785681334).

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

21470066332266 is a wasteful number, since it uses less digits than its factorization.

21470066332266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143279093.

The product of its (nonzero) digits is 2612736, while the sum is 48.

The spelling of 21470066332266 in words is "twenty-one trillion, four hundred seventy billion, sixty-six million, three hundred thirty-two thousand, two hundred sixty-six".