161170 has 16 divisors (see below), whose sum is σ = 295488. Its totient is φ = 63280.

The previous prime is 161167. The next prime is 161201. The reversal of 161170 is 71161.

161170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 597 + ... + 823.

It is an arithmetic number, because the mean of its divisors is an integer number (18468).

2¹⁶¹¹⁷⁰ is an apocalyptic number.

161170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161170 is a deficient number, since it is larger than the sum of its proper divisors (134318).

161170 is a wasteful number, since it uses less digits than its factorization.

161170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 161170 is about 401.4598360982. The cubic root of 161170 is about 54.4203589456.

Subtracting from 161170 its reverse (71161), we obtain a palindrome (90009).

It can be divided in two parts, 1611 and 70, that added together give a square (1681 = 41²).

The spelling of 161170 in words is "one hundred sixty-one thousand, one hundred seventy".