66122704750 has 16 divisors (see below), whose sum is σ = 123781703760. Its totient is φ = 26449081800.

The previous prime is 66122704729. The next prime is 66122704751. The reversal of 66122704750 is 5740722166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66122704751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132245160 + ... + 132245659.

It is an arithmetic number, because the mean of its divisors is an integer number (7736356485).

Almost surely, 2^66122704750 is an apocalyptic number.

66122704750 is a deficient number, since it is larger than the sum of its proper divisors (57658999010).

66122704750 is a wasteful number, since it uses less digits than its factorization.

66122704750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264490836 (or 264490826 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 66122704750 in words is "sixty-six billion, one hundred twenty-two million, seven hundred four thousand, seven hundred fifty".