65500698312 has 192 divisors, whose sum is σ = 209768832000. Its totient is φ = 18068520960.

The previous prime is 65500698311. The next prime is 65500698317. The reversal of 65500698312 is 21389600556.

65500698312 is a `hidden beast` number, since 6 + 5 + 500 + 69 + 83 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (65500698311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7010508 + ... + 7019844.

It is an arithmetic number, because the mean of its divisors is an integer number (1092546000).

Almost surely, 2^65500698312 is an apocalyptic number.

65500698312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65500698312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104884416000).

65500698312 is an abundant number, since it is smaller than the sum of its proper divisors (144268133688).

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

65500698312 is a wasteful number, since it uses less digits than its factorization.

65500698312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836 (or 9829 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 65500698312 in words is "sixty-five billion, five hundred million, six hundred ninety-eight thousand, three hundred twelve".