510868668 has 48 divisors (see below), whose sum is σ = 1211374080. Its totient is φ = 167541504.

The previous prime is 510868619. The next prime is 510868679. The reversal of 510868668 is 866868015.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328180 + ... + 329732.

It is an arithmetic number, because the mean of its divisors is an integer number (25236960).

Almost surely, 2^510868668 is an apocalyptic number.

It is an amenable number.

510868668 is an abundant number, since it is smaller than the sum of its proper divisors (700505412).

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

510868668 is a wasteful number, since it uses less digits than its factorization.

510868668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 510868668 is about 22602.4040314299. The cubic root of 510868668 is about 799.4103300518.

The spelling of 510868668 in words is "five hundred ten million, eight hundred sixty-eight thousand, six hundred sixty-eight".