660552303 has 8 divisors (see below), whose sum is σ = 897354288. Its totient is φ = 432059264.

The previous prime is 660552293. The next prime is 660552311. The reversal of 660552303 is 303255066.

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 660552303 - 2⁶ = 660552239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660552703) 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, 2077050 + ... + 2077367.

It is an arithmetic number, because the mean of its divisors is an integer number (112169286).

Almost surely, 2^660552303 is an apocalyptic number.

660552303 is a deficient number, since it is larger than the sum of its proper divisors (236801985).

660552303 is a wasteful number, since it uses less digits than its factorization.

660552303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154473.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 660552303 is about 25701.2120920396. The cubic root of 660552303 is about 870.9015637532.

The spelling of 660552303 in words is "six hundred sixty million, five hundred fifty-two thousand, three hundred three".