1366673836 has 24 divisors (see below), whose sum is σ = 2699076240. Its totient is φ = 599793600.

The previous prime is 1366673779. The next prime is 1366673863. The reversal of 1366673836 is 6383766631.

It is a self number, because there is not a number n which added to its sum of digits gives 1366673836.

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, 534255 + ... + 536806.

It is an arithmetic number, because the mean of its divisors is an integer number (112461510).

Almost surely, 2^1366673836 is an apocalyptic number.

It is an amenable number.

1366673836 is a deficient number, since it is larger than the sum of its proper divisors (1332402404).

1366673836 is a wasteful number, since it uses less digits than its factorization.

1366673836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071105 (or 1071103 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 49.

The square root of 1366673836 is about 36968.5519867901. The cubic root of 1366673836 is about 1109.7409876407.

The spelling of 1366673836 in words is "one billion, three hundred sixty-six million, six hundred seventy-three thousand, eight hundred thirty-six".