670899559599 has 16 divisors (see below), whose sum is σ = 993993800800. Its totient is φ = 447235535808.

The previous prime is 670899559567. The next prime is 670899559601. The reversal of 670899559599 is 995955998076.

670899559599 is a `hidden beast` number, since 6 + 7 + 0 + 8 + 9 + 9 + 559 + 59 + 9 = 666.

It is not a de Polignac number, because 670899559599 - 2⁵ = 670899559567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670899559529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454294 + ... + 1244259.

It is an arithmetic number, because the mean of its divisors is an integer number (62124612550).

Almost surely, 2^670899559599 is an apocalyptic number.

670899559599 is a deficient number, since it is larger than the sum of its proper divisors (323094241201).

670899559599 is a wasteful number, since it uses less digits than its factorization.

670899559599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713191 (or 1713185 counting only the distinct ones).

The product of its (nonzero) digits is 2480058000, while the sum is 81.

The spelling of 670899559599 in words is "six hundred seventy billion, eight hundred ninety-nine million, five hundred fifty-nine thousand, five hundred ninety-nine".