1367680660 has 12 divisors (see below), whose sum is σ = 2872129428. Its totient is φ = 547072256.

The previous prime is 1367680649. The next prime is 1367680669. The reversal of 1367680660 is 660867631.

It can be written as a sum of positive squares in 2 ways, for example, as 778744836 + 588935824 = 27906^2 + 24268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1367680669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34191997 + ... + 34192036.

It is an arithmetic number, because the mean of its divisors is an integer number (239344119).

Almost surely, 2^1367680660 is an apocalyptic number.

1367680660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1367680660 is an abundant number, since it is smaller than the sum of its proper divisors (1504448768).

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

1367680660 is a wasteful number, since it uses less digits than its factorization.

1367680660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68384042 (or 68384040 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 1367680660 is about 36982.1667834647. The cubic root of 1367680660 is about 1110.0134348941.

The spelling of 1367680660 in words is "one billion, three hundred sixty-seven million, six hundred eighty thousand, six hundred sixty".