1330665077 has 16 divisors (see below), whose sum is σ = 1579438080. Its totient is φ = 1097255808.

The previous prime is 1330665073. The next prime is 1330665113. The reversal of 1330665077 is 7705660331.

It is a cyclic number.

It is not a de Polignac number, because 1330665077 - 2² = 1330665073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330665077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330665071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5813 + ... + 51914.

It is an arithmetic number, because the mean of its divisors is an integer number (98714880).

Almost surely, 2^1330665077 is an apocalyptic number.

It is an amenable number.

1330665077 is a deficient number, since it is larger than the sum of its proper divisors (248773003).

1330665077 is an equidigital number, since it uses as much as digits as its factorization.

1330665077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57860.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 1330665077 is about 36478.2822649313. The cubic root of 1330665077 is about 1099.9077269707.

The spelling of 1330665077 in words is "one billion, three hundred thirty million, six hundred sixty-five thousand, seventy-seven".