1366691316 has 12 divisors (see below), whose sum is σ = 3188946432. Its totient is φ = 455563768.

The previous prime is 1366691279. The next prime is 1366691357. The reversal of 1366691316 is 6131966631.

It is a tau number, because it is divible by the number of its divisors (12).

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, 56945460 + ... + 56945483.

It is an arithmetic number, because the mean of its divisors is an integer number (265745536).

Almost surely, 2^1366691316 is an apocalyptic number.

It is an amenable number.

1366691316 is an abundant number, since it is smaller than the sum of its proper divisors (1822255116).

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

1366691316 is a wasteful number, since it uses less digits than its factorization.

1366691316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113890950 (or 113890948 counting only the distinct ones).

The product of its digits is 104976, while the sum is 42.

The square root of 1366691316 is about 36968.7884031922. The cubic root of 1366691316 is about 1109.7457188817.

The spelling of 1366691316 in words is "one billion, three hundred sixty-six million, six hundred ninety-one thousand, three hundred sixteen".