1327666107 has 18 divisors (see below), whose sum is σ = 1795916052. Its totient is φ = 872446464.

The previous prime is 1327666061. The next prime is 1327666117. The reversal of 1327666107 is 7016667231.

It is not a de Polignac number, because 1327666107 - 2²³ = 1319277499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1327666117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6879003 + ... + 6879195.

It is an arithmetic number, because the mean of its divisors is an integer number (99773114).

Almost surely, 2^1327666107 is an apocalyptic number.

1327666107 is a deficient number, since it is larger than the sum of its proper divisors (468249945).

1327666107 is an frugal number, since it uses more digits than its factorization.

1327666107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 1327666107 is about 36437.1528388265. The cubic root of 1327666107 is about 1099.0808042805.

The spelling of 1327666107 in words is "one billion, three hundred twenty-seven million, six hundred sixty-six thousand, one hundred seven".