1366679080 has 32 divisors (see below), whose sum is σ = 3311569800. Its totient is φ = 504619776.

The previous prime is 1366679077. The next prime is 1366679081. The reversal of 1366679080 is 809766631.

It can be written as a sum of positive squares in 4 ways, for example, as 561595204 + 805083876 = 23698^2 + 28374^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1366679080.

It is not an unprimeable number, because it can be changed into a prime (1366679081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313595 + ... + 1314634.

Almost surely, 2^1366679080 is an apocalyptic number.

1366679080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1366679080 is an abundant number, since it is smaller than the sum of its proper divisors (1944890720).

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

1366679080 is a wasteful number, since it uses less digits than its factorization.

1366679080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628253 (or 2628249 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 1366679080 is about 36968.6229118695. The cubic root of 1366679080 is about 1109.7424070172.

The spelling of 1366679080 in words is "one billion, three hundred sixty-six million, six hundred seventy-nine thousand, eighty".