65265742766 has 36 divisors (see below), whose sum is σ = 117944590608. Its totient is φ = 27006480144.

The previous prime is 65265742699. The next prime is 65265742781. The reversal of 65265742766 is 66724756256.

65265742766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 313526 + ... + 478361.

It is an arithmetic number, because the mean of its divisors is an integer number (3276238628).

Almost surely, 2^65265742766 is an apocalyptic number.

65265742766 is a deficient number, since it is larger than the sum of its proper divisors (52678847842).

65265742766 is a wasteful number, since it uses less digits than its factorization.

65265742766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791961 (or 791925 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 56.

The spelling of 65265742766 in words is "sixty-five billion, two hundred sixty-five million, seven hundred forty-two thousand, seven hundred sixty-six".