161264341 has 6 divisors (see below), whose sum is σ = 187593270. Its totient is φ = 138226536.

The previous prime is 161264333. The next prime is 161264347. The reversal of 161264341 is 143462161.

It can be written as a sum of positive squares in only one way, i.e., 122014116 + 39250225 = 11046^2 + 6265^2 .

It is not a de Polignac number, because 161264341 - 2³ = 161264333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161264347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1645506 + ... + 1645603.

It is an arithmetic number, because the mean of its divisors is an integer number (31265545).

Almost surely, 2^161264341 is an apocalyptic number.

It is an amenable number.

161264341 is a deficient number, since it is larger than the sum of its proper divisors (26328929).

161264341 is an equidigital number, since it uses as much as digits as its factorization.

161264341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291123 (or 3291116 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 161264341 is about 12698.9897629693. The cubic root of 161264341 is about 544.3097520926.

The spelling of 161264341 in words is "one hundred sixty-one million, two hundred sixty-four thousand, three hundred forty-one".