660653343063 has 48 divisors (see below), whose sum is σ = 1123260652800. Its totient is φ = 373987820304.

The previous prime is 660653343059. The next prime is 660653343067. The reversal of 660653343063 is 360343356066.

660653343063 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 5 + 334 + 306 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (660653343059) and next prime (660653343067).

It is not a de Polignac number, because 660653343063 - 2² = 660653343059 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660653343067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669745 + ... + 1330362.

It is an arithmetic number, because the mean of its divisors is an integer number (23401263600).

Almost surely, 2^660653343063 is an apocalyptic number.

660653343063 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

660653343063 is a deficient number, since it is larger than the sum of its proper divisors (462607309737).

660653343063 is a wasteful number, since it uses less digits than its factorization.

660653343063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000241 (or 2000224 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 45.

The spelling of 660653343063 in words is "six hundred sixty billion, six hundred fifty-three million, three hundred forty-three thousand, sixty-three".