515364066 has 48 divisors (see below), whose sum is σ = 1332240480. Its totient is φ = 147246120.

The previous prime is 515364049. The next prime is 515364077. The reversal of 515364066 is 660463515.

515364066 is a `hidden beast` number, since 5 + 1 + 5 + 3 + 640 + 6 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 515364066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94740 + ... + 100031.

It is an arithmetic number, because the mean of its divisors is an integer number (27755010).

Almost surely, 2^515364066 is an apocalyptic number.

515364066 is an abundant number, since it is smaller than the sum of its proper divisors (816876414).

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

515364066 is a wasteful number, since it uses less digits than its factorization.

515364066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194796 (or 194783 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 515364066 is about 22701.6313510725. The cubic root of 515364066 is about 801.7482942591.

The spelling of 515364066 in words is "five hundred fifteen million, three hundred sixty-four thousand, sixty-six".