526166605664 has 96 divisors (see below), whose sum is σ = 1220266232640. Its totient is φ = 218612348928.

The previous prime is 526166605631. The next prime is 526166605687. The reversal of 526166605664 is 466506661625.

It is a congruent number.

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, 2181182 + ... + 2410370.

It is an arithmetic number, because the mean of its divisors is an integer number (12711106590).

Almost surely, 2^526166605664 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 526166605664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610133116320).

526166605664 is an abundant number, since it is smaller than the sum of its proper divisors (694099626976).

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

526166605664 is a wasteful number, since it uses less digits than its factorization.

526166605664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229520 (or 229512 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 526166605664 in words is "five hundred twenty-six billion, one hundred sixty-six million, six hundred five thousand, six hundred sixty-four".