1366661103 has 8 divisors (see below), whose sum is σ = 1823692848. Its totient is φ = 910368384.

The previous prime is 1366661069. The next prime is 1366661111. The reversal of 1366661103 is 3011666631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1366661103 - 2⁶ = 1366661039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366661143) 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, 180426 + ... + 187847.

It is an arithmetic number, because the mean of its divisors is an integer number (227961606).

Almost surely, 2^1366661103 is an apocalyptic number.

1366661103 is a deficient number, since it is larger than the sum of its proper divisors (457031745).

1366661103 is a wasteful number, since it uses less digits than its factorization.

1366661103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369513.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 1366661103 is about 36968.3797724488. The cubic root of 1366661103 is about 1109.7375412256.

The spelling of 1366661103 in words is "one billion, three hundred sixty-six million, six hundred sixty-one thousand, one hundred three".