65766107632 has 160 divisors (see below), whose sum is σ = 139269657600. Its totient is φ = 30008309760.

The previous prime is 65766107629. The next prime is 65766107651. The reversal of 65766107632 is 23670166756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109792869 + ... + 109793467.

It is an arithmetic number, because the mean of its divisors is an integer number (870435360).

Almost surely, 2^65766107632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65766107632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69634828800).

65766107632 is an abundant number, since it is smaller than the sum of its proper divisors (73503549968).

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

65766107632 is a wasteful number, since it uses less digits than its factorization.

65766107632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 65766107632 in words is "sixty-five billion, seven hundred sixty-six million, one hundred seven thousand, six hundred thirty-two".