659968060 has 24 divisors (see below), whose sum is σ = 1388219616. Its totient is φ = 263551680.

The previous prime is 659968027. The next prime is 659968063. The reversal of 659968060 is 60869956.

It is a junction number, because it is equal to n+sod(n) for n = 659967995 and 659968013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659968063) 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, 14656 + ... + 39175.

It is an arithmetic number, because the mean of its divisors is an integer number (57842484).

Almost surely, 2^659968060 is an apocalyptic number.

It is an amenable number.

659968060 is an abundant number, since it is smaller than the sum of its proper divisors (728251556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

659968060 is a wasteful number, since it uses less digits than its factorization.

659968060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54453 (or 54451 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 659968060 is about 25689.8435184024. The cubic root of 659968060 is about 870.6447240216.

The spelling of 659968060 in words is "six hundred fifty-nine million, nine hundred sixty-eight thousand, sixty".