505201500164 has 12 divisors (see below), whose sum is σ = 884427801600. Its totient is φ = 252507842568.

The previous prime is 505201500157. The next prime is 505201500299. The reversal of 505201500164 is 461005102505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23214644 + ... + 23236395.

It is an arithmetic number, because the mean of its divisors is an integer number (73702316800).

Almost surely, 2^505201500164 is an apocalyptic number.

It is an amenable number.

505201500164 is a deficient number, since it is larger than the sum of its proper divisors (379226301436).

505201500164 is a wasteful number, since it uses less digits than its factorization.

505201500164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46453762 (or 46453760 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 505201500164 its reverse (461005102505), we get a palindrome (966206602669).

The spelling of 505201500164 in words is "five hundred five billion, two hundred one million, five hundred thousand, one hundred sixty-four".