166152832 has 64 divisors (see below), whose sum is σ = 362701800. Its totient is φ = 75464704.

The previous prime is 166152823. The next prime is 166152859. The reversal of 166152832 is 238251661.

It can be written as a sum of positive squares in 4 ways, for example, as 138862656 + 27290176 = 11784^2 + 5224^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61788 + ... + 64420.

Almost surely, 2^166152832 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 166152832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181350900).

166152832 is an abundant number, since it is smaller than the sum of its proper divisors (196548968).

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

166152832 is a wasteful number, since it uses less digits than its factorization.

166152832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2693 (or 2681 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 166152832 is about 12890.0283940727. The cubic root of 166152832 is about 549.7550777259.

The spelling of 166152832 in words is "one hundred sixty-six million, one hundred fifty-two thousand, eight hundred thirty-two".