356161 has 4 divisors (see below), whose sum is σ = 383572. Its totient is φ = 328752.

The previous prime is 356143. The next prime is 356171. The reversal of 356161 is 161653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148225 + 207936 = 385^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 356161 - 2⁵ = 356129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13686 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (95893).

2³⁵⁶¹⁶¹ is an apocalyptic number.

It is an amenable number.

356161 is a deficient number, since it is larger than the sum of its proper divisors (27411).

356161 is a wasteful number, since it uses less digits than its factorization.

356161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27410.

The product of its digits is 540, while the sum is 22.

The square root of 356161 is about 596.7922586629. The cubic root of 356161 is about 70.8840931051.

The spelling of 356161 in words is "three hundred fifty-six thousand, one hundred sixty-one".