660653063 has 8 divisors (see below), whose sum is σ = 764590080. Its totient is φ = 559105560.

The previous prime is 660653041. The next prime is 660653087. The reversal of 660653063 is 360356066.

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 660653063 - 2¹⁰ = 660652039 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 (660653023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 596783 + ... + 597888.

It is an arithmetic number, because the mean of its divisors is an integer number (95573760).

Almost surely, 2^660653063 is an apocalyptic number.

660653063 is a deficient number, since it is larger than the sum of its proper divisors (103937017).

660653063 is a wasteful number, since it uses less digits than its factorization.

660653063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194757.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 660653063 is about 25703.1722361268. The cubic root of 660653063 is about 870.9458436584.

The spelling of 660653063 in words is "six hundred sixty million, six hundred fifty-three thousand, sixty-three".