523248661616 has 40 divisors (see below), whose sum is σ = 1024869672000. Its totient is φ = 258780865280.

The previous prime is 523248661553. The next prime is 523248661619. The reversal of 523248661616 is 616166842325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523248661619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 110606 + ... + 1028946.

It is an arithmetic number, because the mean of its divisors is an integer number (25621741800).

Almost surely, 2^523248661616 is an apocalyptic number.

It is an amenable number.

523248661616 is a deficient number, since it is larger than the sum of its proper divisors (501621010384).

523248661616 is a wasteful number, since it uses less digits than its factorization.

523248661616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918737 (or 918731 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 50.

The spelling of 523248661616 in words is "five hundred twenty-three billion, two hundred forty-eight million, six hundred sixty-one thousand, six hundred sixteen".