361661603063 has 4 divisors (see below), whose sum is σ = 361663530648. Its totient is φ = 361659675480.

The previous prime is 361661603059. The next prime is 361661603111. The reversal of 361661603063 is 360306166163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360306166163 = 269 ⋅1339428127.

It is a cyclic number.

It is not a de Polignac number, because 361661603063 - 2² = 361661603059 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361661603063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361661653063) 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, 647828 + ... + 1069113.

It is an arithmetic number, because the mean of its divisors is an integer number (90415882662).

Almost surely, 2^361661603063 is an apocalyptic number.

361661603063 is a deficient number, since it is larger than the sum of its proper divisors (1927585).

361661603063 is a wasteful number, since it uses less digits than its factorization.

361661603063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927584.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 361661603063 in words is "three hundred sixty-one billion, six hundred sixty-one million, six hundred three thousand, sixty-three".