166108426 has 16 divisors (see below), whose sum is σ = 274619520. Its totient is φ = 74724480.

The previous prime is 166108421. The next prime is 166108427. The reversal of 166108426 is 624801661.

166108426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166108391 and 166108400.

It is not an unprimeable number, because it can be changed into a prime (166108421) 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, 36786 + ... + 41053.

It is an arithmetic number, because the mean of its divisors is an integer number (17163720).

Almost surely, 2^166108426 is an apocalyptic number.

166108426 is a deficient number, since it is larger than the sum of its proper divisors (108511094).

166108426 is a wasteful number, since it uses less digits than its factorization.

166108426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77949.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 166108426 is about 12888.3057847027. The cubic root of 166108426 is about 549.7060975213.

The spelling of 166108426 in words is "one hundred sixty-six million, one hundred eight thousand, four hundred twenty-six".