526166605663 has 8 divisors (see below), whose sum is σ = 526645087488. Its totient is φ = 525688249944.

The previous prime is 526166605631. The next prime is 526166605687. The reversal of 526166605663 is 366506661625.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 526166605663 - 2⁵ = 526166605631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 526166605663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526166603663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9637320 + ... + 9691762.

It is an arithmetic number, because the mean of its divisors is an integer number (65830635936).

Almost surely, 2^526166605663 is an apocalyptic number.

526166605663 is a deficient number, since it is larger than the sum of its proper divisors (478481825).

526166605663 is a wasteful number, since it uses less digits than its factorization.

526166605663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63053.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 526166605663 in words is "five hundred twenty-six billion, one hundred sixty-six million, six hundred five thousand, six hundred sixty-three".