1610161 has 16 divisors (see below), whose sum is σ = 1960704. Its totient is φ = 1292544.

The previous prime is 1610153. The next prime is 1610177.

1610161 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 1610161 - 2³ = 1610153 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1610101) 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, 11685 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (122544).

2^1610161 is an apocalyptic number.

It is an amenable number.

1610161 is a deficient number, since it is larger than the sum of its proper divisors (350543).

1610161 is a wasteful number, since it uses less digits than its factorization.

1610161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1610161 is about 1268.9211953467. The cubic root of 1610161 is about 117.2077784522.

It can be divided in two parts, 1610 and 161, that added together give a palindrome (1771).

The spelling of 1610161 in words is "one million, six hundred ten thousand, one hundred sixty-one".