660061160067 has 16 divisors (see below), whose sum is σ = 880759715328. Its totient is φ = 439701799680.

The previous prime is 660061160039. The next prime is 660061160093. The reversal of 660061160067 is 760061160066.

It is not a de Polignac number, because 660061160067 - 2¹¹ = 660061158019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660061660067) 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, 33747763 + ... + 33767315.

It is an arithmetic number, because the mean of its divisors is an integer number (55047482208).

Almost surely, 2^660061160067 is an apocalyptic number.

660061160067 is a deficient number, since it is larger than the sum of its proper divisors (220698555261).

660061160067 is a wasteful number, since it uses less digits than its factorization.

660061160067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27650.

The product of its (nonzero) digits is 54432, while the sum is 39.

Subtracting 660061160067 from its reverse (760061160066), we obtain a palindrome (99999999999).

The spelling of 660061160067 in words is "six hundred sixty billion, sixty-one million, one hundred sixty thousand, sixty-seven".