361686091 has 8 divisors (see below), whose sum is σ = 390235664. Its totient is φ = 333240480.

The previous prime is 361686047. The next prime is 361686119. The reversal of 361686091 is 190686163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361686091 - 2⁹ = 361685579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361686011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18681 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (48779458).

Almost surely, 2^361686091 is an apocalyptic number.

361686091 is a deficient number, since it is larger than the sum of its proper divisors (28549573).

361686091 is a wasteful number, since it uses less digits than its factorization.

361686091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51981.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 361686091 is about 19018.0464559323. The cubic root of 361686091 is about 712.4875326022.

The spelling of 361686091 in words is "three hundred sixty-one million, six hundred eighty-six thousand, ninety-one".