36603716646 has 16 divisors (see below), whose sum is σ = 83665638144. Its totient is φ = 10458204744.

The previous prime is 36603716629. The next prime is 36603716647. The reversal of 36603716646 is 64661730663.

It is a junction number, because it is equal to n+sod(n) for n = 36603716595 and 36603716604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36603716647) 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, 435758490 + ... + 435758573.

It is an arithmetic number, because the mean of its divisors is an integer number (5229102384).

Almost surely, 2^36603716646 is an apocalyptic number.

36603716646 is an abundant number, since it is smaller than the sum of its proper divisors (47061921498).

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

36603716646 is a wasteful number, since it uses less digits than its factorization.

36603716646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871517075.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 36603716646 in words is "thirty-six billion, six hundred three million, seven hundred sixteen thousand, six hundred forty-six".