166701004 has 12 divisors (see below), whose sum is σ = 291844728. Its totient is φ = 83316800.

The previous prime is 166701001. The next prime is 166701013. The reversal of 166701004 is 400107661.

It is a happy number.

166701004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 166701004.

It is not an unprimeable number, because it can be changed into a prime (166701001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124 + ... + 18964.

It is an arithmetic number, because the mean of its divisors is an integer number (24320394).

Almost surely, 2^166701004 is an apocalyptic number.

It is an amenable number.

166701004 is a deficient number, since it is larger than the sum of its proper divisors (125143724).

166701004 is a wasteful number, since it uses less digits than its factorization.

166701004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16856 (or 16854 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 166701004 is about 12911.2742980699. The cubic root of 166701004 is about 550.3589986795.

Adding to 166701004 its reverse (400107661), we get a palindrome (566808665).

The spelling of 166701004 in words is "one hundred sixty-six million, seven hundred one thousand, four".