166353628 has 96 divisors (see below), whose sum is σ = 363888000. Its totient is φ = 66382848.

The previous prime is 166353613. The next prime is 166353631. The reversal of 166353628 is 826353661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1472100 + ... + 1472212.

It is an arithmetic number, because the mean of its divisors is an integer number (3790500).

Almost surely, 2^166353628 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 166353628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181944000).

166353628 is an abundant number, since it is smaller than the sum of its proper divisors (197534372).

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

166353628 is a wasteful number, since it uses less digits than its factorization.

166353628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 188 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 166353628 is about 12897.8148536874. The cubic root of 166353628 is about 549.9764485783.

The spelling of 166353628 in words is "one hundred sixty-six million, three hundred fifty-three thousand, six hundred twenty-eight".