21466703590698 has 64 divisors (see below), whose sum is σ = 45537177434112. Its totient is φ = 6731856838080.

The previous prime is 21466703590679. The next prime is 21466703590723. The reversal of 21466703590698 is 89609530766412.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164953011 + ... + 165083097.

It is an arithmetic number, because the mean of its divisors is an integer number (711518397408).

It is a 1-persistent number, because it is pandigital, but 2⋅21466703590698 = 42933407181396 is not.

Almost surely, 2^{21466703590698} is an apocalyptic number.

21466703590698 is an abundant number, since it is smaller than the sum of its proper divisors (24070473843414).

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

21466703590698 is a wasteful number, since it uses less digits than its factorization.

21466703590698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149779.

The product of its (nonzero) digits is 117573120, while the sum is 66.

The spelling of 21466703590698 in words is "twenty-one trillion, four hundred sixty-six billion, seven hundred three million, five hundred ninety thousand, six hundred ninety-eight".