10866393171927 has 12 divisors (see below), whose sum is σ = 15701216525904. Its totient is φ = 7241808909600.

The previous prime is 10866393171917. The next prime is 10866393171941. The reversal of 10866393171927 is 72917139366801.

10866393171927 is a `hidden beast` number, since 10 + 8 + 66 + 393 + 171 + 9 + 2 + 7 = 666.

It is not a de Polignac number, because 10866393171927 - 2¹² = 10866393167831 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10866393171917) 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, 204405699 + ... + 204458852.

It is an arithmetic number, because the mean of its divisors is an integer number (1308434710492).

Almost surely, 2^{10866393171927} is an apocalyptic number.

10866393171927 is a deficient number, since it is larger than the sum of its proper divisors (4834823353977).

10866393171927 is a wasteful number, since it uses less digits than its factorization.

10866393171927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408867510 (or 408867507 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 10866393171927 in words is "ten trillion, eight hundred sixty-six billion, three hundred ninety-three million, one hundred seventy-one thousand, nine hundred twenty-seven".