170861152 has 96 divisors (see below), whose sum is σ = 444165120. Its totient is φ = 62638080.

The previous prime is 170861149. The next prime is 170861161. The reversal of 170861152 is 251168071.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39849 + ... + 43927.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 2^170861152 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 170861152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222082560).

170861152 is an abundant number, since it is smaller than the sum of its proper divisors (273303968).

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

170861152 is a wasteful number, since it uses less digits than its factorization.

170861152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124 (or 4116 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 170861152 is about 13071.3867665218. The cubic root of 170861152 is about 554.8996404308.

The spelling of 170861152 in words is "one hundred seventy million, eight hundred sixty-one thousand, one hundred fifty-two".