10688205866807 has 8 divisors (see below), whose sum is σ = 12464380020000. Its totient is φ = 9161319314112.

The previous prime is 10688205866801. The next prime is 10688205866809. The reversal of 10688205866807 is 70866850288601.

It is not a de Polignac number, because 10688205866807 - 2⁴ = 10688205866791 is a prime.

It is a super-2 number, since 2×10688205866807² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688205866801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15580474682 + ... + 15580475367.

It is an arithmetic number, because the mean of its divisors is an integer number (1558047502500).

Almost surely, 2^{10688205866807} is an apocalyptic number.

10688205866807 is a deficient number, since it is larger than the sum of its proper divisors (1776174153193).

10688205866807 is an frugal number, since it uses more digits than its factorization.

10688205866807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31160950070 (or 31160950056 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 65.

The spelling of 10688205866807 in words is "ten trillion, six hundred eighty-eight billion, two hundred five million, eight hundred sixty-six thousand, eight hundred seven".