361561366 has 8 divisors (see below), whose sum is σ = 544259304. Its totient is φ = 180141600.

The previous prime is 361561331. The next prime is 361561367. The reversal of 361561366 is 663165163.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361561367) 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, 318835 + ... + 319966.

It is an arithmetic number, because the mean of its divisors is an integer number (68032413).

Almost surely, 2^361561366 is an apocalyptic number.

361561366 is a deficient number, since it is larger than the sum of its proper divisors (182697938).

361561366 is a wasteful number, since it uses less digits than its factorization.

361561366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639086.

The product of its digits is 58320, while the sum is 37.

The square root of 361561366 is about 19014.7670509002. The cubic root of 361561366 is about 712.4056243522.

The spelling of 361561366 in words is "three hundred sixty-one million, five hundred sixty-one thousand, three hundred sixty-six".