505213645416 has 32 divisors (see below), whose sum is σ = 1329509594400. Its totient is φ = 159541151040.

The previous prime is 505213645411. The next prime is 505213645421. The reversal of 505213645416 is 614546312505.

It is an interprime number because it is at equal distance from previous prime (505213645411) and next prime (505213645421).

It is not an unprimeable number, because it can be changed into a prime (505213645411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553961875 + ... + 553962786.

It is an arithmetic number, because the mean of its divisors is an integer number (41547174825).

Almost surely, 2^505213645416 is an apocalyptic number.

It is an amenable number.

505213645416 is an abundant number, since it is smaller than the sum of its proper divisors (824295948984).

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

505213645416 is a wasteful number, since it uses less digits than its factorization.

505213645416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107924689 (or 1107924685 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 505213645416 in words is "five hundred five billion, two hundred thirteen million, six hundred forty-five thousand, four hundred sixteen".