1513376816 has 80 divisors (see below), whose sum is σ = 3554439168. Its totient is φ = 610156800.

The previous prime is 1513376783. The next prime is 1513376867. The reversal of 1513376816 is 6186733151.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152321 + ... + 161951.

Almost surely, 2^1513376816 is an apocalyptic number.

1513376816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1513376816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777219584).

1513376816 is an abundant number, since it is smaller than the sum of its proper divisors (2041062352).

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

1513376816 is a wasteful number, since it uses less digits than its factorization.

1513376816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730 (or 9724 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 1513376816 is about 38902.1441054346. The cubic root of 1513376816 is about 1148.1069841658.

The spelling of 1513376816 in words is "one billion, five hundred thirteen million, three hundred seventy-six thousand, eight hundred sixteen".