1413318816 has 144 divisors (see below), whose sum is σ = 4946707584. Its totient is φ = 372736512.

The previous prime is 1413318793. The next prime is 1413318827. The reversal of 1413318816 is 6188133141.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756 + ... + 53171.

It is an arithmetic number, because the mean of its divisors is an integer number (34352136).

Almost surely, 2^1413318816 is an apocalyptic number.

1413318816 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 1413318816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473353792).

1413318816 is an abundant number, since it is smaller than the sum of its proper divisors (3533388768).

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

1413318816 is a wasteful number, since it uses less digits than its factorization.

1413318816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53963 (or 53952 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 1413318816 is about 37594.1327337126. The cubic root of 1413318816 is about 1122.2252781467.

The spelling of 1413318816 in words is "one billion, four hundred thirteen million, three hundred eighteen thousand, eight hundred sixteen".