166484604 has 144 divisors (see below), whose sum is σ = 486984960. Its totient is φ = 43729920.

The previous prime is 166484581. The next prime is 166484611. The reversal of 166484604 is 406484661.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379017 + ... + 379455.

It is an arithmetic number, because the mean of its divisors is an integer number (3381840).

Almost surely, 2^166484604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166484604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243492480).

166484604 is an abundant number, since it is smaller than the sum of its proper divisors (320500356).

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

166484604 is a wasteful number, since it uses less digits than its factorization.

166484604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 166484604 is about 12902.8913038900. The cubic root of 166484604 is about 550.1207492459.

It can be divided in two parts, 1664 and 84604, that added together give a palindrome (86268).

The spelling of 166484604 in words is "one hundred sixty-six million, four hundred eighty-four thousand, six hundred four".