361638820112 has 40 divisors (see below), whose sum is σ = 703680711552. Its totient is φ = 180044240000.

The previous prime is 361638820079. The next prime is 361638820163. The reversal of 361638820112 is 211028836163.

It is a self number, because there is not a number n which added to its sum of digits gives 361638820112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15333353 + ... + 15356919.

Almost surely, 2^361638820112 is an apocalyptic number.

It is an amenable number.

361638820112 is a deficient number, since it is larger than the sum of its proper divisors (342041891440).

361638820112 is a wasteful number, since it uses less digits than its factorization.

361638820112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27647 (or 27641 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 361638820112 in words is "three hundred sixty-one billion, six hundred thirty-eight million, eight hundred twenty thousand, one hundred twelve".