1366923680 has 48 divisors (see below), whose sum is σ = 3268296864. Its totient is φ = 540176640.

The previous prime is 1366923673. The next prime is 1366923721. The reversal of 1366923680 is 863296631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38186 + ... + 64745.

It is an arithmetic number, because the mean of its divisors is an integer number (68089518).

Almost surely, 2^1366923680 is an apocalyptic number.

1366923680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366923680 is an abundant number, since it is smaller than the sum of its proper divisors (1901373184).

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

1366923680 is a wasteful number, since it uses less digits than its factorization.

1366923680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103029 (or 103021 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1366923680 is about 36971.9309747273. The cubic root of 1366923680 is about 1109.8086080746.

The spelling of 1366923680 in words is "one billion, three hundred sixty-six million, nine hundred twenty-three thousand, six hundred eighty".