163503206500312 has 16 divisors (see below), whose sum is σ = 350364013929360. Its totient is φ = 70072802785824.

The previous prime is 163503206500301. The next prime is 163503206500339. The reversal of 163503206500312 is 213005602305361.

It is a congruent 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, 1459850057983 + ... + 1459850058094.

It is an arithmetic number, because the mean of its divisors is an integer number (21897750870585).

Almost surely, 2^{163503206500312} is an apocalyptic number.

It is an amenable number.

163503206500312 is an abundant number, since it is smaller than the sum of its proper divisors (186860807429048).

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

163503206500312 is a wasteful number, since it uses less digits than its factorization.

163503206500312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2919700116090 (or 2919700116086 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 163503206500312 its reverse (213005602305361), we get a palindrome (376508808805673).

The spelling of 163503206500312 in words is "one hundred sixty-three trillion, five hundred three billion, two hundred six million, five hundred thousand, three hundred twelve".