361206880663 has 4 divisors (see below), whose sum is σ = 361695659320. Its totient is φ = 360718102008.

The previous prime is 361206880631. The next prime is 361206880669. The reversal of 361206880663 is 366088602163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366088602163 = 241 ⋅1519039843.

It is a cyclic number.

It is not a de Polignac number, because 361206880663 - 2⁵ = 361206880631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361206880669) 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, 244388220 + ... + 244389697.

It is an arithmetic number, because the mean of its divisors is an integer number (90423914830).

Almost surely, 2^361206880663 is an apocalyptic number.

361206880663 is a deficient number, since it is larger than the sum of its proper divisors (488778657).

361206880663 is an equidigital number, since it uses as much as digits as its factorization.

361206880663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488778656.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 361206880663 in words is "three hundred sixty-one billion, two hundred six million, eight hundred eighty thousand, six hundred sixty-three".