65328730612 has 6 divisors (see below), whose sum is σ = 114325278578. Its totient is φ = 32664365304.

The previous prime is 65328730601. The next prime is 65328730637. The reversal of 65328730612 is 21603782356.

It can be written as a sum of positive squares in only one way, i.e., 62202355216 + 3126375396 = 249404^2 + 55914^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8166091323 + ... + 8166091330.

Almost surely, 2^65328730612 is an apocalyptic number.

It is an amenable number.

65328730612 is a deficient number, since it is larger than the sum of its proper divisors (48996547966).

65328730612 is a wasteful number, since it uses less digits than its factorization.

65328730612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332182657 (or 16332182655 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 65328730612 in words is "sixty-five billion, three hundred twenty-eight million, seven hundred thirty thousand, six hundred twelve".