660707121201 has 8 divisors (see below), whose sum is σ = 882977340000. Its totient is φ = 439454158272.

The previous prime is 660707121149. The next prime is 660707121203. The reversal of 660707121201 is 102121707066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660707121201 - 2³⁵ = 626347382833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660707121203) 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 7 ways as a sum of consecutive naturals, for example, 254312451 + ... + 254315048.

It is an arithmetic number, because the mean of its divisors is an integer number (110372167500).

Almost surely, 2^660707121201 is an apocalyptic number.

It is an amenable number.

660707121201 is a deficient number, since it is larger than the sum of its proper divisors (222270218799).

660707121201 is a wasteful number, since it uses less digits than its factorization.

660707121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508627935.

The product of its (nonzero) digits is 7056, while the sum is 33.

Adding to 660707121201 its reverse (102121707066), we get a palindrome (762828828267).

The spelling of 660707121201 in words is "six hundred sixty billion, seven hundred seven million, one hundred twenty-one thousand, two hundred one".