166275404 has 6 divisors (see below), whose sum is σ = 290981964. Its totient is φ = 83137700.

The previous prime is 166275401. The next prime is 166275409. The reversal of 166275404 is 404572661.

It is not an unprimeable number, because it can be changed into a prime (166275401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20784422 + ... + 20784429.

It is an arithmetic number, because the mean of its divisors is an integer number (48496994).

Almost surely, 2^166275404 is an apocalyptic number.

It is an amenable number.

166275404 is a deficient number, since it is larger than the sum of its proper divisors (124706560).

166275404 is a wasteful number, since it uses less digits than its factorization.

166275404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41568855 (or 41568853 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 166275404 is about 12894.7820454632. The cubic root of 166275404 is about 549.8902304351.

The spelling of 166275404 in words is "one hundred sixty-six million, two hundred seventy-five thousand, four hundred four".