353660161 has 4 divisors (see below), whose sum is σ = 354050992. Its totient is φ = 353269332.

The previous prime is 353660147. The next prime is 353660173. The reversal of 353660161 is 161066353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 353660161 - 2²⁵ = 320105729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353660561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194055 + ... + 195868.

It is an arithmetic number, because the mean of its divisors is an integer number (88512748).

Almost surely, 2^353660161 is an apocalyptic number.

It is an amenable number.

353660161 is a deficient number, since it is larger than the sum of its proper divisors (390831).

353660161 is an equidigital number, since it uses as much as digits as its factorization.

353660161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390830.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 353660161 is about 18805.8544341915. The cubic root of 353660161 is about 707.1779542936.

The spelling of 353660161 in words is "three hundred fifty-three million, six hundred sixty thousand, one hundred sixty-one".