161295834 has 64 divisors (see below), whose sum is σ = 378047232. Its totient is φ = 44928000.

The previous prime is 161295833. The next prime is 161295851. The reversal of 161295834 is 438592161.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161295792 and 161295801.

It is not an unprimeable number, because it can be changed into a prime (161295833) 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, 402034 + ... + 402434.

It is an arithmetic number, because the mean of its divisors is an integer number (5906988).

Almost surely, 2^161295834 is an apocalyptic number.

161295834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 161295834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189023616).

161295834 is an abundant number, since it is smaller than the sum of its proper divisors (216751398).

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

161295834 is a wasteful number, since it uses less digits than its factorization.

161295834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its digits is 51840, while the sum is 39.

The square root of 161295834 is about 12700.2296829624. The cubic root of 161295834 is about 544.3451821845.

The spelling of 161295834 in words is "one hundred sixty-one million, two hundred ninety-five thousand, eight hundred thirty-four".