66711201306 has 16 divisors (see below), whose sum is σ = 133429724064. Its totient is φ = 22235846864.

The previous prime is 66711201247. The next prime is 66711201307. The reversal of 66711201306 is 60310211766.

It is a super-2 number, since 2×66711201306² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66711201307) 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, 182841 + ... + 408476.

It is an arithmetic number, because the mean of its divisors is an integer number (8339357754).

Almost surely, 2^66711201306 is an apocalyptic number.

66711201306 is an abundant number, since it is smaller than the sum of its proper divisors (66718522758).

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

66711201306 is a wasteful number, since it uses less digits than its factorization.

66711201306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610125.

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 66711201306 in words is "sixty-six billion, seven hundred eleven million, two hundred one thousand, three hundred six".