662530878616 has 8 divisors (see below), whose sum is σ = 1242245397420. Its totient is φ = 331265439304.

The previous prime is 662530878577. The next prime is 662530878619. The reversal of 662530878616 is 616878035266.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662530878619) 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 as a sum of consecutive naturals, namely, 41408179906 + ... + 41408179921.

Almost surely, 2^662530878616 is an apocalyptic number.

It is an amenable number.

662530878616 is a deficient number, since it is larger than the sum of its proper divisors (579714518804).

662530878616 is a wasteful number, since it uses less digits than its factorization.

662530878616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82816359833 (or 82816359829 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 662530878616 in words is "six hundred sixty-two billion, five hundred thirty million, eight hundred seventy-eight thousand, six hundred sixteen".