161064 has 24 divisors (see below), whose sum is σ = 436410. Its totient is φ = 53664.

The previous prime is 161059. The next prime is 161071. The reversal of 161064 is 460161.

It can be written as a sum of positive squares in only one way, i.e., 116964 + 44100 = 342^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×161064² = 51883224192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

161064 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047 + ... + 1190.

2¹⁶¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

161064 is an abundant number, since it is smaller than the sum of its proper divisors (275346).

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

161064 is a wasteful number, since it uses less digits than its factorization.

161064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 161064 is about 401.3277961966. The cubic root of 161064 is about 54.4084257422.

It can be divided in two parts, 16106 and 4, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 161064 in words is "one hundred sixty-one thousand, sixty-four".