66482070725 has 24 divisors (see below), whose sum is σ = 94241789568. Its totient is φ = 45574545600.

The previous prime is 66482070673. The next prime is 66482070763. The reversal of 66482070725 is 52707028466.

It is not a de Polignac number, because 66482070725 - 2¹⁶ = 66482005189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 66482070725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 573632 + ... + 679718.

It is an arithmetic number, because the mean of its divisors is an integer number (3926741232).

Almost surely, 2^66482070725 is an apocalyptic number.

It is an amenable number.

66482070725 is a deficient number, since it is larger than the sum of its proper divisors (27759718843).

66482070725 is a wasteful number, since it uses less digits than its factorization.

66482070725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109685 (or 109680 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 66482070725 in words is "sixty-six billion, four hundred eighty-two million, seventy thousand, seven hundred twenty-five".