351836161 has 4 divisors (see below), whose sum is σ = 351934000. Its totient is φ = 351738324.

The previous prime is 351836137. The next prime is 351836171. The reversal of 351836161 is 161638153.

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, and also an emirpimes, since its reverse is a distinct semiprime: 161638153 = 397 ⋅407149.

It is a cyclic number.

It is not a de Polignac number, because 351836161 - 2¹¹ = 351834113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351836171) 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, 43311 + ... + 50788.

It is an arithmetic number, because the mean of its divisors is an integer number (87983500).

Almost surely, 2^351836161 is an apocalyptic number.

It is an amenable number.

351836161 is a deficient number, since it is larger than the sum of its proper divisors (97839).

351836161 is an equidigital number, since it uses as much as digits as its factorization.

351836161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97838.

The product of its digits is 12960, while the sum is 34.

The square root of 351836161 is about 18757.2962070763. The cubic root of 351836161 is about 705.9601029545.

The spelling of 351836161 in words is "three hundred fifty-one million, eight hundred thirty-six thousand, one hundred sixty-one".