1366904418 has 16 divisors (see below), whose sum is σ = 2982337056. Its totient is φ = 414213440.

The previous prime is 1366904411. The next prime is 1366904419. The reversal of 1366904418 is 8144096631.

It is a self number, because there is not a number n which added to its sum of digits gives 1366904418.

It is not an unprimeable number, because it can be changed into a prime (1366904411) 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, 10355271 + ... + 10355402.

It is an arithmetic number, because the mean of its divisors is an integer number (186396066).

Almost surely, 2^1366904418 is an apocalyptic number.

1366904418 is an abundant number, since it is smaller than the sum of its proper divisors (1615432638).

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

1366904418 is a wasteful number, since it uses less digits than its factorization.

1366904418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710689.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1366904418 is about 36971.6704788951. The cubic root of 1366904418 is about 1109.8033950955.

The spelling of 1366904418 in words is "one billion, three hundred sixty-six million, nine hundred four thousand, four hundred eighteen".