66015246040700 has 72 divisors (see below), whose sum is σ = 165468802850064. Its totient is φ = 22593453184000.

The previous prime is 66015246040693. The next prime is 66015246040741. The reversal of 66015246040700 is 704064251066.

It is a happy number.

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, 1765094831 + ... + 1765132230.

It is an arithmetic number, because the mean of its divisors is an integer number (2298177817362).

Almost surely, 2^{66015246040700} is an apocalyptic number.

It is an amenable number.

66015246040700 is an abundant number, since it is smaller than the sum of its proper divisors (99453556809364).

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

66015246040700 is a wasteful number, since it uses less digits than its factorization.

66015246040700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530227103 (or 3530227096 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 66015246040700 in words is "sixty-six trillion, fifteen billion, two hundred forty-six million, forty thousand, seven hundred".