1366316444 has 24 divisors (see below), whose sum is σ = 2470465536. Its totient is φ = 660510000.

The previous prime is 1366316423. The next prime is 1366316477. The reversal of 1366316444 is 4446136631.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1366316398 and 1366316407.

It is a congruent number.

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, 148169 + ... + 157119.

It is an arithmetic number, because the mean of its divisors is an integer number (102936064).

Almost surely, 2^1366316444 is an apocalyptic number.

It is an amenable number.

1366316444 is a deficient number, since it is larger than the sum of its proper divisors (1104149092).

1366316444 is a wasteful number, since it uses less digits than its factorization.

1366316444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10217 (or 10215 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 1366316444 is about 36963.7179407050. The cubic root of 1366316444 is about 1109.6442449462.

The spelling of 1366316444 in words is "one billion, three hundred sixty-six million, three hundred sixteen thousand, four hundred forty-four".