166214004 has 48 divisors (see below), whose sum is σ = 424025280. Its totient is φ = 50256640.

The previous prime is 166214003. The next prime is 166214021. The reversal of 166214004 is 400412661.

166214004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166214003) 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, 74002 + ... + 76214.

It is an arithmetic number, because the mean of its divisors is an integer number (8833860).

Almost surely, 2^166214004 is an apocalyptic number.

It is an amenable number.

166214004 is an abundant number, since it is smaller than the sum of its proper divisors (257811276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166214004 is a wasteful number, since it uses less digits than its factorization.

166214004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800 (or 2798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 166214004 is about 12892.4010176538. The cubic root of 166214004 is about 549.8225366851.

Adding to 166214004 its reverse (400412661), we get a palindrome (566626665).

The spelling of 166214004 in words is "one hundred sixty-six million, two hundred fourteen thousand, four".