766069939650 has 96 divisors (see below), whose sum is σ = 1907652902400. Its totient is φ = 203447416320.

The previous prime is 766069939603. The next prime is 766069939651. The reversal of 766069939650 is 56939960667.

It is not an unprimeable number, because it can be changed into a prime (766069939651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126682927 + ... + 126688973.

It is an arithmetic number, because the mean of its divisors is an integer number (19871384400).

Almost surely, 2^766069939650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 766069939650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953826451200).

766069939650 is an abundant number, since it is smaller than the sum of its proper divisors (1141582962750).

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

766069939650 is a wasteful number, since it uses less digits than its factorization.

766069939650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9388 (or 9383 counting only the distinct ones).

The product of its (nonzero) digits is 99202320, while the sum is 66.

The spelling of 766069939650 in words is "seven hundred sixty-six billion, sixty-nine million, nine hundred thirty-nine thousand, six hundred fifty".