660900343 has 8 divisors (see below), whose sum is σ = 684611280. Its totient is φ = 637250880.

The previous prime is 660900341. The next prime is 660900349. The reversal of 660900343 is 343009066.

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 660900343 - 2¹ = 660900341 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 (660900341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7096 + ... + 37042.

It is an arithmetic number, because the mean of its divisors is an integer number (85576410).

Almost surely, 2^660900343 is an apocalyptic number.

660900343 is a deficient number, since it is larger than the sum of its proper divisors (23710937).

660900343 is a wasteful number, since it uses less digits than its factorization.

660900343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30737.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 660900343 is about 25707.9820872818. The cubic root of 660900343 is about 871.0544940406.

The spelling of 660900343 in words is "six hundred sixty million, nine hundred thousand, three hundred forty-three".