65651561010136 has 64 divisors (see below), whose sum is σ = 135724988664000. Its totient is φ = 29631965798400.

The previous prime is 65651561010131. The next prime is 65651561010149. The reversal of 65651561010136 is 63101016515656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65651561010131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54523441 + ... + 55714528.

It is an arithmetic number, because the mean of its divisors is an integer number (2120702947875).

Almost surely, 2^{65651561010136} is an apocalyptic number.

It is an amenable number.

65651561010136 is an abundant number, since it is smaller than the sum of its proper divisors (70073427653864).

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

65651561010136 is a wasteful number, since it uses less digits than its factorization.

65651561010136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110238172 (or 110238168 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 65651561010136 in words is "sixty-five trillion, six hundred fifty-one billion, five hundred sixty-one million, ten thousand, one hundred thirty-six".