161095 has 16 divisors (see below), whose sum is σ = 220320. Its totient is φ = 112000.
The previous prime is 161093. The next prime is 161123. The reversal of 161095 is 590161.
It is not a de Polignac number, because 161095 - 21 = 161093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1545 + ... + 1645.
It is an arithmetic number, because the mean of its divisors is an integer number (13770).
2161095 is an apocalyptic number.
161095 is a deficient number, since it is larger than the sum of its proper divisors (59225).
161095 is a wasteful number, since it uses less digits than its factorization.
161095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146.
The product of its (nonzero) digits is 270, while the sum is 22.
The square root of 161095 is about 401.3664161337. The cubic root of 161095 is about 54.4119161829.
It can be divided in two parts, 16 and 1095, that added together give a palindrome (1111).
The spelling of 161095 in words is "one hundred sixty-one thousand, ninety-five".
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