766066225666231 has 8 divisors (see below), whose sum is σ = 883686540689280. Its totient is φ = 650491481339448.

The previous prime is 766066225666223. The next prime is 766066225666249. The reversal of 766066225666231 is 132666522660667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 766066225666231 - 2³ = 766066225666223 is a prime.

It is a super-2 number, since 2×766066225666231² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766066225666271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511392673261 + ... + 511392674758.

It is an arithmetic number, because the mean of its divisors is an integer number (110460817586160).

Almost surely, 2^{766066225666231} is an apocalyptic number.

766066225666231 is a deficient number, since it is larger than the sum of its proper divisors (117620315023049).

766066225666231 is a wasteful number, since it uses less digits than its factorization.

766066225666231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022785348133.

The product of its (nonzero) digits is 235146240, while the sum is 64.

The spelling of 766066225666231 in words is "seven hundred sixty-six trillion, sixty-six billion, two hundred twenty-five million, six hundred sixty-six thousand, two hundred thirty-one".