16526823483493 has 4 divisors (see below), whose sum is σ = 16528113747180. Its totient is φ = 16525533219808.

The previous prime is 16526823483491. The next prime is 16526823483523. The reversal of 16526823483493 is 39438432862561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8093154453409 + 8433669030084 = 2844847^2 + 2904078^2 .

It is a cyclic number.

It is not a de Polignac number, because 16526823483493 - 2¹ = 16526823483491 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 (16526823483491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645112630 + ... + 645138247.

It is an arithmetic number, because the mean of its divisors is an integer number (4132028436795).

Almost surely, 2^{16526823483493} is an apocalyptic number.

It is an amenable number.

16526823483493 is a deficient number, since it is larger than the sum of its proper divisors (1290263687).

16526823483493 is a wasteful number, since it uses less digits than its factorization.

16526823483493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290263686.

The product of its digits is 179159040, while the sum is 64.

The spelling of 16526823483493 in words is "sixteen trillion, five hundred twenty-six billion, eight hundred twenty-three million, four hundred eighty-three thousand, four hundred ninety-three".