161130011 has 8 divisors (see below), whose sum is σ = 184228320. Its totient is φ = 138051648.

The previous prime is 161129999. The next prime is 161130023. The reversal of 161130011 is 110031161.

161130011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161129999) and next prime (161130023).

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

It is not a de Polignac number, because 161130011 - 2²² = 156935707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161130031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22295 + ... + 28623.

It is an arithmetic number, because the mean of its divisors is an integer number (23028540).

Almost surely, 2^161130011 is an apocalyptic number.

161130011 is a deficient number, since it is larger than the sum of its proper divisors (23098309).

161130011 is an equidigital number, since it uses as much as digits as its factorization.

161130011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973.

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 161130011 is about 12693.6996577042. The cubic root of 161130011 is about 544.1585770309.

Adding to 161130011 its reverse (110031161), we get a palindrome (271161172).

The spelling of 161130011 in words is "one hundred sixty-one million, one hundred thirty thousand, eleven".