10688991446 has 32 divisors (see below), whose sum is σ = 18462339072. Its totient is φ = 4546520640.

The previous prime is 10688991409. The next prime is 10688991461. The reversal of 10688991446 is 64419988601.

10688991446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10688991446² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10688991391 and 10688991400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217645 + ... + 1226391.

It is an arithmetic number, because the mean of its divisors is an integer number (576948096).

Almost surely, 2^10688991446 is an apocalyptic number.

10688991446 is a deficient number, since it is larger than the sum of its proper divisors (7773347626).

10688991446 is a wasteful number, since it uses less digits than its factorization.

10688991446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9404.

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 10688991446 in words is "ten billion, six hundred eighty-eight million, nine hundred ninety-one thousand, four hundred forty-six".