26357853816 has 192 divisors, whose sum is σ = 89653248000. Its totient is φ = 7134402240.

The previous prime is 26357853727. The next prime is 26357853817. The reversal of 26357853816 is 61835875362.

26357853816 is a `hidden beast` number, since 2 + 6 + 3 + 578 + 53 + 8 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26357853817) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 135561 + ... + 266631.

It is an arithmetic number, because the mean of its divisors is an integer number (466944000).

Almost surely, 2^26357853816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26357853816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44826624000).

26357853816 is an abundant number, since it is smaller than the sum of its proper divisors (63295394184).

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

26357853816 is a wasteful number, since it uses less digits than its factorization.

26357853816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131119 (or 131102 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 26357853816 in words is "twenty-six billion, three hundred fifty-seven million, eight hundred fifty-three thousand, eight hundred sixteen".