65181302712 has 96 divisors (see below), whose sum is σ = 183245025600. Its totient is φ = 20906097408.

The previous prime is 65181302689. The next prime is 65181302723. The reversal of 65181302712 is 21720318156.

65181302712 is a `hidden beast` number, since 6 + 518 + 130 + 2 + 7 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558513 + ... + 665055.

It is an arithmetic number, because the mean of its divisors is an integer number (1908802350).

Almost surely, 2^65181302712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65181302712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91622512800).

65181302712 is an abundant number, since it is smaller than the sum of its proper divisors (118063722888).

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

65181302712 is a wasteful number, since it uses less digits than its factorization.

65181302712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106877 (or 106870 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 65181302712 in words is "sixty-five billion, one hundred eighty-one million, three hundred two thousand, seven hundred twelve".