65364872491296 has 144 divisors (see below), whose sum is σ = 224932061337984. Its totient is φ = 17577108559872.

The previous prime is 65364872491283. The next prime is 65364872491307. The reversal of 65364872491296 is 69219427846356.

65364872491296 is a `hidden beast` number, since 6 + 5 + 3 + 6 + 48 + 7 + 2 + 491 + 2 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 953584900 + ... + 953653443.

It is an arithmetic number, because the mean of its divisors is an integer number (1562028203736).

Almost surely, 2^{65364872491296} is an apocalyptic number.

It is an amenable number.

65364872491296 is an abundant number, since it is smaller than the sum of its proper divisors (159567188846688).

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

65364872491296 is a wasteful number, since it uses less digits than its factorization.

65364872491296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907238383 (or 1907238372 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 65364872491296 in words is "sixty-five trillion, three hundred sixty-four billion, eight hundred seventy-two million, four hundred ninety-one thousand, two hundred ninety-six".