660633160697 has 16 divisors (see below), whose sum is σ = 668436529152. Its totient is φ = 652874962320.

The previous prime is 660633160687. The next prime is 660633160727. The reversal of 660633160697 is 796061336066.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 660633160697 - 2¹⁴ = 660633144313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (660633160687) 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, 39439478 + ... + 39456224.

It is an arithmetic number, because the mean of its divisors is an integer number (41777283072).

Almost surely, 2^660633160697 is an apocalyptic number.

It is an amenable number.

660633160697 is a deficient number, since it is larger than the sum of its proper divisors (7803368455).

660633160697 is a wasteful number, since it uses less digits than its factorization.

660633160697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18068.

The product of its (nonzero) digits is 4408992, while the sum is 53.

The spelling of 660633160697 in words is "six hundred sixty billion, six hundred thirty-three million, one hundred sixty thousand, six hundred ninety-seven".