755808066 has 48 divisors (see below), whose sum is σ = 1867300344. Its totient is φ = 218875392.

The previous prime is 755808041. The next prime is 755808101. The reversal of 755808066 is 660808557.

755808066 is a `hidden beast` number, since 7 + 5 + 580 + 8 + 0 + 66 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 421686225 + 334121841 = 20535^2 + 18279^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91021 + ... + 98976.

Almost surely, 2^755808066 is an apocalyptic number.

755808066 is an abundant number, since it is smaller than the sum of its proper divisors (1111492278).

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

755808066 is a wasteful number, since it uses less digits than its factorization.

755808066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190035 (or 190032 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 755808066 is about 27491.9636621322. The cubic root of 755808066 is about 910.8995918276.

The spelling of 755808066 in words is "seven hundred fifty-five million, eight hundred eight thousand, sixty-six".