361431169 has 16 divisors (see below), whose sum is σ = 419126400. Its totient is φ = 308028160.

The previous prime is 361431157. The next prime is 361431199. The reversal of 361431169 is 961134163.

It is a happy number.

It is not a de Polignac number, because 361431169 - 2²⁵ = 327876737 is a prime.

It is a super-2 number, since 2×361431169² = 261264979849413122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (361431199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45507 + ... + 52855.

It is an arithmetic number, because the mean of its divisors is an integer number (26195400).

Almost surely, 2^361431169 is an apocalyptic number.

It is an amenable number.

361431169 is a deficient number, since it is larger than the sum of its proper divisors (57695231).

361431169 is a wasteful number, since it uses less digits than its factorization.

361431169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640.

The product of its digits is 11664, while the sum is 34.

The square root of 361431169 is about 19011.3431666466. The cubic root of 361431169 is about 712.3201024838.

The spelling of 361431169 in words is "three hundred sixty-one million, four hundred thirty-one thousand, one hundred sixty-nine".