1314686664 has 96 divisors (see below), whose sum is σ = 3677227320. Its totient is φ = 424009728.

The previous prime is 1314686641. The next prime is 1314686671. The reversal of 1314686664 is 4666864131.

It can be written as a sum of positive squares in 4 ways, for example, as 1171692900 + 142993764 = 34230^2 + 11958^2 .

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

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, 512874 + ... + 515430.

Almost surely, 2^1314686664 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 1314686664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1838613660).

1314686664 is an abundant number, since it is smaller than the sum of its proper divisors (2362540656).

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

1314686664 is a wasteful number, since it uses less digits than its factorization.

1314686664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799 (or 2792 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1314686664 is about 36258.6081365515. The cubic root of 1314686664 is about 1095.4874817017.

The spelling of 1314686664 in words is "one billion, three hundred fourteen million, six hundred eighty-six thousand, six hundred sixty-four".