26341616538 has 12 divisors (see below), whose sum is σ = 57073502538. Its totient is φ = 8780538840.

The previous prime is 26341616537. The next prime is 26341616597. The reversal of 26341616538 is 83561614362.

26341616538 is a `hidden beast` number, since 2 + 63 + 41 + 6 + 16 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19618764489 + 6722852049 = 140067^2 + 81993^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26341616493 and 26341616502.

It is not an unprimeable number, because it can be changed into a prime (26341616537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 731711553 + ... + 731711588.

Almost surely, 2^26341616538 is an apocalyptic number.

26341616538 is an abundant number, since it is smaller than the sum of its proper divisors (30731886000).

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

26341616538 is a wasteful number, since it uses less digits than its factorization.

26341616538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463423149 (or 1463423146 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 26341616538 in words is "twenty-six billion, three hundred forty-one million, six hundred sixteen thousand, five hundred thirty-eight".