26543313816 has 16 divisors (see below), whose sum is σ = 66358284600. Its totient is φ = 8847771264.

The previous prime is 26543313793. The next prime is 26543313893. The reversal of 26543313816 is 61831334562.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552985681 + ... + 552985728.

Almost surely, 2^26543313816 is an apocalyptic number.

It is an amenable number.

26543313816 is an abundant number, since it is smaller than the sum of its proper divisors (39814970784).

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

26543313816 is a wasteful number, since it uses less digits than its factorization.

26543313816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105971418 (or 1105971414 counting only the distinct ones).

The product of its digits is 311040, while the sum is 42.

The spelling of 26543313816 in words is "twenty-six billion, five hundred forty-three million, three hundred thirteen thousand, eight hundred sixteen".