1937563664664 has 64 divisors (see below), whose sum is σ = 4883763916800. Its totient is φ = 640549281024.

The previous prime is 1937563664653. The next prime is 1937563664693. The reversal of 1937563664664 is 4664663657391.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1937563664595 and 1937563664604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3302997 + ... + 3845115.

It is an arithmetic number, because the mean of its divisors is an integer number (76308811200).

Almost surely, 2^{1937563664664} is an apocalyptic number.

It is an amenable number.

1937563664664 is an abundant number, since it is smaller than the sum of its proper divisors (2946200252136).

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

1937563664664 is a wasteful number, since it uses less digits than its factorization.

1937563664664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543352 (or 543348 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 66.

The spelling of 1937563664664 in words is "one trillion, nine hundred thirty-seven billion, five hundred sixty-three million, six hundred sixty-four thousand, six hundred sixty-four".