659212983678 has 16 divisors (see below), whose sum is σ = 1395980436240. Its totient is φ = 206811916416.

The previous prime is 659212983659. The next prime is 659212983683. The reversal of 659212983678 is 876389212956.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231436093 + ... + 3231436296.

It is an arithmetic number, because the mean of its divisors is an integer number (87248777265).

Almost surely, 2^659212983678 is an apocalyptic number.

659212983678 is an abundant number, since it is smaller than the sum of its proper divisors (736767452562).

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

659212983678 is a wasteful number, since it uses less digits than its factorization.

659212983678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462872411.

The product of its digits is 78382080, while the sum is 66.

The spelling of 659212983678 in words is "six hundred fifty-nine billion, two hundred twelve million, nine hundred eighty-three thousand, six hundred seventy-eight".