166361052 has 96 divisors (see below), whose sum is σ = 471905280. Its totient is φ = 44916480.

The previous prime is 166361009. The next prime is 166361057. The reversal of 166361052 is 250163661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166361057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48093 + ... + 51435.

It is an arithmetic number, because the mean of its divisors is an integer number (4915680).

Almost surely, 2^166361052 is an apocalyptic number.

166361052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166361052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235952640).

166361052 is an abundant number, since it is smaller than the sum of its proper divisors (305544228).

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

166361052 is a wasteful number, since it uses less digits than its factorization.

166361052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3401 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 166361052 is about 12898.1026511654. The cubic root of 166361052 is about 549.9846298735.

The spelling of 166361052 in words is "one hundred sixty-six million, three hundred sixty-one thousand, fifty-two".