66000325701 has 16 divisors (see below), whose sum is σ = 89072008704. Its totient is φ = 43464565104.

The previous prime is 66000325697. The next prime is 66000325739. The reversal of 66000325701 is 10752300066.

It is not a de Polignac number, because 66000325701 - 2² = 66000325697 is a prime.

It is a super-2 number, since 2×66000325701² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66000325301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3098650 + ... + 3119876.

It is an arithmetic number, because the mean of its divisors is an integer number (5567000544).

Almost surely, 2^66000325701 is an apocalyptic number.

It is an amenable number.

66000325701 is a deficient number, since it is larger than the sum of its proper divisors (23071683003).

66000325701 is a wasteful number, since it uses less digits than its factorization.

66000325701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33800.

The product of its (nonzero) digits is 7560, while the sum is 30.

Adding to 66000325701 its reverse (10752300066), we get a palindrome (76752625767).

The spelling of 66000325701 in words is "sixty-six billion, three hundred twenty-five thousand, seven hundred one".