6686522326 has 16 divisors (see below), whose sum is σ = 11417303808. Its totient is φ = 2907183400.

The previous prime is 6686522299. The next prime is 6686522327. The reversal of 6686522326 is 6232256866.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6686522327) 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, 6606730 + ... + 6607741.

It is an arithmetic number, because the mean of its divisors is an integer number (713581488).

Almost surely, 2^6686522326 is an apocalyptic number.

6686522326 is a deficient number, since it is larger than the sum of its proper divisors (4730781482).

6686522326 is a wasteful number, since it uses less digits than its factorization.

6686522326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13214507.

The product of its digits is 1244160, while the sum is 46.

The square root of 6686522326 is about 81771.1582772312. The cubic root of 6686522326 is about 1883.9386949022.

The spelling of 6686522326 in words is "six billion, six hundred eighty-six million, five hundred twenty-two thousand, three hundred twenty-six".