65647116205053 has 64 divisors (see below), whose sum is σ = 91847113408512. Its totient is φ = 41663495301120.

The previous prime is 65647116205049. The next prime is 65647116205081. The reversal of 65647116205053 is 35050261174656.

It is a happy number.

It is not a de Polignac number, because 65647116205053 - 2² = 65647116205049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65647116204987 and 65647116205005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65647116205553) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3962514576 + ... + 3962531142.

It is an arithmetic number, because the mean of its divisors is an integer number (1435111147008).

Almost surely, 2^{65647116205053} is an apocalyptic number.

It is an amenable number.

65647116205053 is a deficient number, since it is larger than the sum of its proper divisors (26199997203459).

65647116205053 is a wasteful number, since it uses less digits than its factorization.

65647116205053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18674.

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 65647116205053 in words is "sixty-five trillion, six hundred forty-seven billion, one hundred sixteen million, two hundred five thousand, fifty-three".