766150332521 has 4 divisors (see below), whose sum is σ = 875600380032. Its totient is φ = 656700285012.

The previous prime is 766150332481. The next prime is 766150332581. The reversal of 766150332521 is 125233051667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 766150332521 - 2²⁶ = 766083223657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (766150332581) 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 3 ways as a sum of consecutive naturals, for example, 54725023745 + ... + 54725023758.

It is an arithmetic number, because the mean of its divisors is an integer number (218900095008).

Almost surely, 2^766150332521 is an apocalyptic number.

It is an amenable number.

766150332521 is a deficient number, since it is larger than the sum of its proper divisors (109450047511).

766150332521 is a wasteful number, since it uses less digits than its factorization.

766150332521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109450047510.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 766150332521 in words is "seven hundred sixty-six billion, one hundred fifty million, three hundred thirty-two thousand, five hundred twenty-one".