65455993632645 has 384 divisors, whose sum is σ = 151414308864000. Its totient is φ = 25335663667200.

The previous prime is 65455993632629. The next prime is 65455993632671. The reversal of 65455993632645 is 54623639955456.

65455993632645 is a `hidden beast` number, since 6 + 5 + 4 + 5 + 599 + 3 + 6 + 3 + 26 + 4 + 5 = 666.

It is not a de Polignac number, because 65455993632645 - 2⁴ = 65455993632629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 14389092831 + ... + 14389097379.

It is an arithmetic number, because the mean of its divisors is an integer number (394308096000).

Almost surely, 2^{65455993632645} is an apocalyptic number.

It is an amenable number.

65455993632645 is an abundant number, since it is smaller than the sum of its proper divisors (85958315231355).

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

65455993632645 is a wasteful number, since it uses less digits than its factorization.

65455993632645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241 (or 8238 counting only the distinct ones).

The product of its digits is 3149280000, while the sum is 72.

The spelling of 65455993632645 in words is "sixty-five trillion, four hundred fifty-five billion, nine hundred ninety-three million, six hundred thirty-two thousand, six hundred forty-five".