1316503164 has 96 divisors (see below), whose sum is σ = 3333980160. Its totient is φ = 403128000.

The previous prime is 1316503151. The next prime is 1316503183. The reversal of 1316503164 is 4613056131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291447 + ... + 1292465.

It is an arithmetic number, because the mean of its divisors is an integer number (34728960).

Almost surely, 2^1316503164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316503164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1666990080).

1316503164 is an abundant number, since it is smaller than the sum of its proper divisors (2017476996).

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

1316503164 is a wasteful number, since it uses less digits than its factorization.

1316503164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1316503164 is about 36283.6487139869. The cubic root of 1316503164 is about 1095.9917938097.

Adding to 1316503164 its reverse (4613056131), we get a palindrome (5929559295).

The spelling of 1316503164 in words is "one billion, three hundred sixteen million, five hundred three thousand, one hundred sixty-four".