166626067 has 16 divisors (see below), whose sum is σ = 178588800. Its totient is φ = 155010240.

The previous prime is 166626049. The next prime is 166626101. The reversal of 166626067 is 760626661.

166626067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 166626067 - 2⁷ = 166625939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166626037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356568 + ... + 357034.

It is an arithmetic number, because the mean of its divisors is an integer number (11161800).

Almost surely, 2^166626067 is an apocalyptic number.

166626067 is a deficient number, since it is larger than the sum of its proper divisors (11962733).

166626067 is a wasteful number, since it uses less digits than its factorization.

166626067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 166626067 is about 12908.3719732583. The cubic root of 166626067 is about 550.2765188049.

The spelling of 166626067 in words is "one hundred sixty-six million, six hundred twenty-six thousand, sixty-seven".