26797685995161 has 12 divisors (see below), whose sum is σ = 39753924569892. Its totient is φ = 17382282807456.

The previous prime is 26797685995133. The next prime is 26797685995183. The reversal of 26797685995161 is 16159958679762.

26797685995161 is a `hidden beast` number, since 2 + 6 + 7 + 9 + 7 + 6 + 8 + 5 + 99 + 516 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16285462025625 + 10512223969536 = 4035525^2 + 3242256^2 .

It is not a de Polignac number, because 26797685995161 - 2⁶ = 26797685995097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26797685995111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40236765426 + ... + 40236766091.

It is an arithmetic number, because the mean of its divisors is an integer number (3312827047491).

Almost surely, 2^{26797685995161} is an apocalyptic number.

It is an amenable number.

26797685995161 is a deficient number, since it is larger than the sum of its proper divisors (12956238574731).

26797685995161 is a wasteful number, since it uses less digits than its factorization.

26797685995161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80473531560 (or 80473531557 counting only the distinct ones).

The product of its digits is 3086294400, while the sum is 81.

The spelling of 26797685995161 in words is "twenty-six trillion, seven hundred ninety-seven billion, six hundred eighty-five million, nine hundred ninety-five thousand, one hundred sixty-one".