166242604 has 12 divisors (see below), whose sum is σ = 317372328. Its totient is φ = 75564800.

The previous prime is 166242569. The next prime is 166242607. The reversal of 166242604 is 406242661.

It is not an unprimeable number, because it can be changed into a prime (166242607) 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 in 3 ways as a sum of consecutive naturals, for example, 1889077 + ... + 1889164.

It is an arithmetic number, because the mean of its divisors is an integer number (26447694).

Almost surely, 2^166242604 is an apocalyptic number.

It is an amenable number.

166242604 is a deficient number, since it is larger than the sum of its proper divisors (151129724).

166242604 is a wasteful number, since it uses less digits than its factorization.

166242604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778256 (or 3778254 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 166242604 is about 12893.5101504594. The cubic root of 166242604 is about 549.8540703753.

The spelling of 166242604 in words is "one hundred sixty-six million, two hundred forty-two thousand, six hundred four".