1613161 has 8 divisors (see below), whose sum is σ = 1793664. Its totient is φ = 1438320.

The previous prime is 1613153. The next prime is 1613173.

1613161 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1613161 - 2³ = 1613153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 801 + ... + 1966.

It is an arithmetic number, because the mean of its divisors is an integer number (224208).

2^1613161 is an apocalyptic number.

1613161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1613161 is a deficient number, since it is larger than the sum of its proper divisors (180503).

1613161 is a wasteful number, since it uses less digits than its factorization.

1613161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831.

The product of its digits is 108, while the sum is 19.

The square root of 1613161 is about 1270.1027517488. The cubic root of 1613161 is about 117.2805258738.

The spelling of 1613161 in words is "one million, six hundred thirteen thousand, one hundred sixty-one".