65268965376 has 560 divisors, whose sum is σ = 213141519360. Its totient is φ = 19826933760.

The previous prime is 65268965341. The next prime is 65268965423. The reversal of 65268965376 is 67356986256.

65268965376 is a `hidden beast` number, since 6 + 5 + 2 + 6 + 8 + 96 + 537 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 390832045 + ... + 390832211.

It is an arithmetic number, because the mean of its divisors is an integer number (380609856).

Almost surely, 2^65268965376 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 65268965376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106570759680).

65268965376 is an abundant number, since it is smaller than the sum of its proper divisors (147872553984).

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

65268965376 is a wasteful number, since it uses less digits than its factorization.

65268965376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 222 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 63.

The spelling of 65268965376 in words is "sixty-five billion, two hundred sixty-eight million, nine hundred sixty-five thousand, three hundred seventy-six".