66082288882840 has 64 divisors (see below), whose sum is σ = 160150467628800. Its totient is φ = 24459344122752.

The previous prime is 66082288882811. The next prime is 66082288882963. The reversal of 66082288882840 is 4828888228066.

It is a self number, because there is not a number n which added to its sum of digits gives 66082288882840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011018252 + ... + 1011083611.

It is an arithmetic number, because the mean of its divisors is an integer number (2502351056700).

Almost surely, 2^{66082288882840} is an apocalyptic number.

It is an amenable number.

66082288882840 is an abundant number, since it is smaller than the sum of its proper divisors (94068178745960).

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

66082288882840 is a wasteful number, since it uses less digits than its factorization.

66082288882840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022101936 (or 2022101932 counting only the distinct ones).

The product of its (nonzero) digits is 301989888, while the sum is 70.

The spelling of 66082288882840 in words is "sixty-six trillion, eighty-two billion, two hundred eighty-eight million, eight hundred eighty-two thousand, eight hundred forty".