766655532 has 36 divisors (see below), whose sum is σ = 1940127280. Its totient is φ = 255262752.

The previous prime is 766655531. The next prime is 766655537. The reversal of 766655532 is 235556667.

766655532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (766655531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21498 + ... + 44670.

Almost surely, 2^766655532 is an apocalyptic number.

It is an amenable number.

766655532 is an abundant number, since it is smaller than the sum of its proper divisors (1173471748).

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

766655532 is a wasteful number, since it uses less digits than its factorization.

766655532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24102 (or 24097 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The square root of 766655532 is about 27688.5451405450. The cubic root of 766655532 is about 915.2366959094.

The spelling of 766655532 in words is "seven hundred sixty-six million, six hundred fifty-five thousand, five hundred thirty-two".