526993168921 has 8 divisors (see below), whose sum is σ = 534591316800. Its totient is φ = 519444520848.

The previous prime is 526993168909. The next prime is 526993168939. The reversal of 526993168921 is 129861399625.

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 526993168921 - 2²³ = 526984780313 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 526993168921.

It is not an unprimeable number, because it can be changed into a prime (526993168951) 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, 12353506 + ... + 12396091.

It is an arithmetic number, because the mean of its divisors is an integer number (66823914600).

Almost surely, 2^526993168921 is an apocalyptic number.

It is an amenable number.

526993168921 is a deficient number, since it is larger than the sum of its proper divisors (7598147879).

526993168921 is a wasteful number, since it uses less digits than its factorization.

526993168921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24749903.

The product of its digits is 12597120, while the sum is 61.

The spelling of 526993168921 in words is "five hundred twenty-six billion, nine hundred ninety-three million, one hundred sixty-eight thousand, nine hundred twenty-one".