361163505 has 8 divisors (see below), whose sum is σ = 577861632. Its totient is φ = 192620528.

The previous prime is 361163483. The next prime is 361163507. The reversal of 361163505 is 505361163.

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 361163505 - 2²⁰ = 360114929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361163507) 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, 12038769 + ... + 12038798.

It is an arithmetic number, because the mean of its divisors is an integer number (72232704).

Almost surely, 2^361163505 is an apocalyptic number.

It is an amenable number.

361163505 is a deficient number, since it is larger than the sum of its proper divisors (216698127).

361163505 is a wasteful number, since it uses less digits than its factorization.

361163505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24077575.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 361163505 is about 19004.3022760637. The cubic root of 361163505 is about 712.1442188027.

It can be divided in two parts, 36116 and 3505, that added together give a triangular number (39621 = T₂₈₁).

The spelling of 361163505 in words is "three hundred sixty-one million, one hundred sixty-three thousand, five hundred five".