660554914463 has 8 divisors (see below), whose sum is σ = 706621511232. Its totient is φ = 615289476096.

The previous prime is 660554914421. The next prime is 660554914477. The reversal of 660554914463 is 364419455066.

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

It is a cyclic number.

It is not a de Polignac number, because 660554914463 - 2⁶ = 660554914399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660554914483) 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, 200287895 + ... + 200291192.

It is an arithmetic number, because the mean of its divisors is an integer number (88327688904).

Almost surely, 2^660554914463 is an apocalyptic number.

660554914463 is a deficient number, since it is larger than the sum of its proper divisors (46066596769).

660554914463 is a wasteful number, since it uses less digits than its factorization.

660554914463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400579201.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 660554914463 in words is "six hundred sixty billion, five hundred fifty-four million, nine hundred fourteen thousand, four hundred sixty-three".