166656161634326 has 32 divisors (see below), whose sum is σ = 307676639601408. Its totient is φ = 65929111708320.

The previous prime is 166656161634269. The next prime is 166656161634343. The reversal of 166656161634326 is 623436161656661.

166656161634326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×166656161634326³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9640181 + ... + 20645711.

It is an arithmetic number, because the mean of its divisors is an integer number (9614894987544).

Almost surely, 2^{166656161634326} is an apocalyptic number.

166656161634326 is a deficient number, since it is larger than the sum of its proper divisors (141020477967082).

166656161634326 is a wasteful number, since it uses less digits than its factorization.

166656161634326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088756.

The product of its digits is 100776960, while the sum is 62.

The spelling of 166656161634326 in words is "one hundred sixty-six trillion, six hundred fifty-six billion, one hundred sixty-one million, six hundred thirty-four thousand, three hundred twenty-six".