36441616646 has 16 divisors (see below), whose sum is σ = 56221110960. Its totient is φ = 17702673120.

The previous prime is 36441616639. The next prime is 36441616649. The reversal of 36441616646 is 64661614463.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 36441616646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36441616649) 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, 305201 + ... + 407468.

It is an arithmetic number, because the mean of its divisors is an integer number (3513819435).

Almost surely, 2^36441616646 is an apocalyptic number.

36441616646 is a deficient number, since it is larger than the sum of its proper divisors (19779494314).

36441616646 is a wasteful number, since it uses less digits than its factorization.

36441616646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713399.

The product of its digits is 1492992, while the sum is 47.

The spelling of 36441616646 in words is "thirty-six billion, four hundred forty-one million, six hundred sixteen thousand, six hundred forty-six".