755133665 has 32 divisors (see below), whose sum is σ = 1084720896. Its totient is φ = 497352960.

The previous prime is 755133637. The next prime is 755133667. The reversal of 755133665 is 566331557.

It is not a de Polignac number, because 755133665 - 2⁶ = 755133601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (755133667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27932 + ... + 47858.

It is an arithmetic number, because the mean of its divisors is an integer number (33897528).

Almost surely, 2^755133665 is an apocalyptic number.

It is an amenable number.

755133665 is a deficient number, since it is larger than the sum of its proper divisors (329587231).

755133665 is a wasteful number, since it uses less digits than its factorization.

755133665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20009.

The product of its digits is 283500, while the sum is 41.

The square root of 755133665 is about 27479.6955041354. The cubic root of 755133665 is about 910.6285819293.

The spelling of 755133665 in words is "seven hundred fifty-five million, one hundred thirty-three thousand, six hundred sixty-five".