26085186612 has 18 divisors (see below), whose sum is σ = 65937555138. Its totient is φ = 8695062192.

The previous prime is 26085186559. The next prime is 26085186629. The reversal of 26085186612 is 21668158062.

26085186612 is a `hidden beast` number, since 2 + 60 + 8 + 518 + 66 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13725528336 + 12359658276 = 117156^2 + 111174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 362294223 + ... + 362294294.

Almost surely, 2^26085186612 is an apocalyptic number.

It is an amenable number.

26085186612 is an abundant number, since it is smaller than the sum of its proper divisors (39852368526).

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

26085186612 is a wasteful number, since it uses less digits than its factorization.

26085186612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724588527 (or 724588522 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 26085186612 in words is "twenty-six billion, eighty-five million, one hundred eighty-six thousand, six hundred twelve".