166134404 has 48 divisors (see below), whose sum is σ = 326592000. Its totient is φ = 73483776.

The previous prime is 166134389. The next prime is 166134407. The reversal of 166134404 is 404431661.

It is not an unprimeable number, because it can be changed into a prime (166134407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192077 + ... + 192939.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^166134404 is an apocalyptic number.

It is an amenable number.

166134404 is a deficient number, since it is larger than the sum of its proper divisors (160457596).

166134404 is a wasteful number, since it uses less digits than its factorization.

166134404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 166134404 is about 12889.3135581380. The cubic root of 166134404 is about 549.7347525409.

The spelling of 166134404 in words is "one hundred sixty-six million, one hundred thirty-four thousand, four hundred four".