210803263664 has 80 divisors (see below), whose sum is σ = 473886336000. Its totient is φ = 88978528512.

The previous prime is 210803263651. The next prime is 210803263673. The reversal of 210803263664 is 466362308012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987037 + ... + 2090435.

It is an arithmetic number, because the mean of its divisors is an integer number (5923579200).

Almost surely, 2^210803263664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210803263664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236943168000).

210803263664 is an abundant number, since it is smaller than the sum of its proper divisors (263083072336).

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

210803263664 is a wasteful number, since it uses less digits than its factorization.

210803263664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103690 (or 103684 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 210803263664 in words is "two hundred ten billion, eight hundred three million, two hundred sixty-three thousand, six hundred sixty-four".