2361661602356 has 24 divisors (see below), whose sum is σ = 4723397433216. Its totient is φ = 1012124780640.

The previous prime is 2361661602341. The next prime is 2361661602361. The reversal of 2361661602356 is 6532061661632.

It is a self number, because there is not a number n which added to its sum of digits gives 2361661602356.

It is a congruent number.

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, 1247345 + ... + 2505831.

It is an arithmetic number, because the mean of its divisors is an integer number (196808226384).

Almost surely, 2^{2361661602356} is an apocalyptic number.

It is an amenable number.

2361661602356 is an abundant number, since it is smaller than the sum of its proper divisors (2361735830860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2361661602356 is a wasteful number, since it uses less digits than its factorization.

2361661602356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325519 (or 1325517 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 2361661602356 in words is "two trillion, three hundred sixty-one billion, six hundred sixty-one million, six hundred two thousand, three hundred fifty-six".