526823161493 has 8 divisors (see below), whose sum is σ = 539606709600. Its totient is φ = 514168091568.

The previous prime is 526823161489. The next prime is 526823161549. The reversal of 526823161493 is 394161328625.

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 526823161493 - 2² = 526823161489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526823161093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32111246 + ... + 32127647.

It is an arithmetic number, because the mean of its divisors is an integer number (67450838700).

Almost surely, 2^526823161493 is an apocalyptic number.

It is an amenable number.

526823161493 is a deficient number, since it is larger than the sum of its proper divisors (12783548107).

526823161493 is a wasteful number, since it uses less digits than its factorization.

526823161493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64239091.

The product of its digits is 1866240, while the sum is 50.

The spelling of 526823161493 in words is "five hundred twenty-six billion, eight hundred twenty-three million, one hundred sixty-one thousand, four hundred ninety-three".