65767706552 has 16 divisors (see below), whose sum is σ = 124201606200. Its totient is φ = 32647278240.

The previous prime is 65767706531. The next prime is 65767706603. The reversal of 65767706552 is 25560776756.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29570699 + ... + 29572922.

Almost surely, 2^65767706552 is an apocalyptic number.

It is an amenable number.

65767706552 is a deficient number, since it is larger than the sum of its proper divisors (58433899648).

65767706552 is a wasteful number, since it uses less digits than its factorization.

65767706552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59143766 (or 59143762 counting only the distinct ones).

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 65767706552 in words is "sixty-five billion, seven hundred sixty-seven million, seven hundred six thousand, five hundred fifty-two".