65662974360 has 192 divisors, whose sum is σ = 220868182080. Its totient is φ = 16906567680.

The previous prime is 65662974343. The next prime is 65662974409. The reversal of 65662974360 is 6347926656.

65662974360 is a `hidden beast` number, since 6 + 5 + 6 + 629 + 7 + 4 + 3 + 6 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 65662974297 and 65662974306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1408789 + ... + 1454651.

It is an arithmetic number, because the mean of its divisors is an integer number (1150355115).

Almost surely, 2^65662974360 is an apocalyptic number.

65662974360 is a gapful number since it is divisible by the number (60) 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 65662974360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110434091040).

65662974360 is an abundant number, since it is smaller than the sum of its proper divisors (155205207720).

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

65662974360 is a wasteful number, since it uses less digits than its factorization.

65662974360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46018 (or 46011 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 54.

The spelling of 65662974360 in words is "sixty-five billion, six hundred sixty-two million, nine hundred seventy-four thousand, three hundred sixty".