161134260 has 96 divisors (see below), whose sum is σ = 529616640. Its totient is φ = 35831808.

The previous prime is 161134243. The next prime is 161134261. The reversal of 161134260 is 62431161.

161134260 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 161134260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161134261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10356 + ... + 20724.

It is an arithmetic number, because the mean of its divisors is an integer number (5516840).

Almost surely, 2^161134260 is an apocalyptic number.

161134260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161134260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264808320).

161134260 is an abundant number, since it is smaller than the sum of its proper divisors (368482380).

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

161134260 is a wasteful number, since it uses less digits than its factorization.

161134260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425 (or 10423 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 161134260 is about 12693.8670230943. The cubic root of 161134260 is about 544.1633601445.

It can be divided in two parts, 161 and 134260, that added together give a triangular number (134421 = T₅₁₈).

The spelling of 161134260 in words is "one hundred sixty-one million, one hundred thirty-four thousand, two hundred sixty".