505363640616 has 24 divisors (see below), whose sum is σ = 1368693193530. Its totient is φ = 168454546848.

The previous prime is 505363640603. The next prime is 505363640629. The reversal of 505363640616 is 616046363505.

505363640616 is a `hidden beast` number, since 5 + 0 + 5 + 3 + 636 + 4 + 0 + 6 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (505363640603) and next prime (505363640629).

It can be written as a sum of positive squares in only one way, i.e., 478711772100 + 26651868516 = 691890^2 + 163254^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3509469655 + ... + 3509469798.

Almost surely, 2^505363640616 is an apocalyptic number.

It is an amenable number.

505363640616 is an abundant number, since it is smaller than the sum of its proper divisors (863329552914).

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

505363640616 is a wasteful number, since it uses less digits than its factorization.

505363640616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018939465 (or 7018939458 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 505363640616 in words is "five hundred five billion, three hundred sixty-three million, six hundred forty thousand, six hundred sixteen".