660166982068 has 192 divisors, whose sum is σ = 1350335992320. Its totient is φ = 279620812800.

The previous prime is 660166982017. The next prime is 660166982107. The reversal of 660166982068 is 860289661066.

It is a Harshad number since it is a multiple of its sum of digits (58).

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 63 ways as a sum of consecutive naturals, for example, 1144136596 + ... + 1144137172.

It is an arithmetic number, because the mean of its divisors is an integer number (7032999960).

Almost surely, 2^660166982068 is an apocalyptic number.

It is an amenable number.

660166982068 is an abundant number, since it is smaller than the sum of its proper divisors (690169010252).

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

660166982068 is a wasteful number, since it uses less digits than its factorization.

660166982068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 660166982068 in words is "six hundred sixty billion, one hundred sixty-six million, nine hundred eighty-two thousand, sixty-eight".