1366904864 has 48 divisors (see below), whose sum is σ = 2903882688. Its totient is φ = 629620992.

The previous prime is 1366904857. The next prime is 1366904867. The reversal of 1366904864 is 4684096631.

It is not an unprimeable number, because it can be changed into a prime (1366904867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224549 + ... + 230555.

It is an arithmetic number, because the mean of its divisors is an integer number (60497556).

Almost surely, 2^1366904864 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 1366904864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451941344).

1366904864 is an abundant number, since it is smaller than the sum of its proper divisors (1536977824).

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

1366904864 is a wasteful number, since it uses less digits than its factorization.

1366904864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577 (or 6569 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 1366904864 is about 36971.6765105398. The cubic root of 1366904864 is about 1109.8035157994.

The spelling of 1366904864 in words is "one billion, three hundred sixty-six million, nine hundred four thousand, eight hundred sixty-four".