660520298 has 16 divisors (see below), whose sum is σ = 1025671680. Its totient is φ = 318645936.

The previous prime is 660520297. The next prime is 660520349. The reversal of 660520298 is 892025066.

It is not an unprimeable number, because it can be changed into a prime (660520297) 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, 102611 + ... + 108857.

It is an arithmetic number, because the mean of its divisors is an integer number (64104480).

Almost surely, 2^660520298 is an apocalyptic number.

660520298 is a deficient number, since it is larger than the sum of its proper divisors (365151382).

660520298 is a wasteful number, since it uses less digits than its factorization.

660520298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 660520298 is about 25700.5894484932. The cubic root of 660520298 is about 870.8874979204.

The spelling of 660520298 in words is "six hundred sixty million, five hundred twenty thousand, two hundred ninety-eight".