10688655388 has 6 divisors (see below), whose sum is σ = 18705146936. Its totient is φ = 5344327692.

The previous prime is 10688655317. The next prime is 10688655389. The reversal of 10688655388 is 88355688601.

It is a super-2 number, since 2×10688655388² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688655389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336081920 + ... + 1336081927.

Almost surely, 2^10688655388 is an apocalyptic number.

It is an amenable number.

10688655388 is a deficient number, since it is larger than the sum of its proper divisors (8016491548).

10688655388 is a wasteful number, since it uses less digits than its factorization.

10688655388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672163851 (or 2672163849 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 58.

The spelling of 10688655388 in words is "ten billion, six hundred eighty-eight million, six hundred fifty-five thousand, three hundred eighty-eight".