66711107001 has 32 divisors (see below), whose sum is σ = 110992186368. Its totient is φ = 34625183040.

The previous prime is 66711106993. The next prime is 66711107033. The reversal of 66711107001 is 10070111766.

It is not a de Polignac number, because 66711107001 - 2³ = 66711106993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66711107001.

It is not an unprimeable number, because it can be changed into a prime (66711107051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144495 + ... + 392811.

It is an arithmetic number, because the mean of its divisors is an integer number (3468505824).

Almost surely, 2^66711107001 is an apocalyptic number.

It is an amenable number.

66711107001 is a deficient number, since it is larger than the sum of its proper divisors (44281079367).

66711107001 is a wasteful number, since it uses less digits than its factorization.

66711107001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249501.

The product of its (nonzero) digits is 1764, while the sum is 30.

Adding to 66711107001 its reverse (10070111766), we get a palindrome (76781218767).

The spelling of 66711107001 in words is "sixty-six billion, seven hundred eleven million, one hundred seven thousand, one".