65670681332 has 24 divisors (see below), whose sum is σ = 115088809920. Its totient is φ = 32788203840.

The previous prime is 65670681289. The next prime is 65670681359. The reversal of 65670681332 is 23318607656.

65670681332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9666857 + ... + 9673647.

It is an arithmetic number, because the mean of its divisors is an integer number (4795367080).

Almost surely, 2^65670681332 is an apocalyptic number.

It is an amenable number.

65670681332 is a deficient number, since it is larger than the sum of its proper divisors (49418128588).

65670681332 is a wasteful number, since it uses less digits than its factorization.

65670681332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9911 (or 9909 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 65670681332 in words is "sixty-five billion, six hundred seventy million, six hundred eighty-one thousand, three hundred thirty-two".