65253666401 has 8 divisors (see below), whose sum is σ = 81355220544. Its totient is φ = 50847012720.

The previous prime is 65253666391. The next prime is 65253666403. The reversal of 65253666401 is 10466635256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-65253666401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65253666403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423725030 + ... + 423725183.

It is an arithmetic number, because the mean of its divisors is an integer number (10169402568).

Almost surely, 2^65253666401 is an apocalyptic number.

It is an amenable number.

65253666401 is a deficient number, since it is larger than the sum of its proper divisors (16101554143).

65253666401 is a wasteful number, since it uses less digits than its factorization.

65253666401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847450231.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 65253666401 in words is "sixty-five billion, two hundred fifty-three million, six hundred sixty-six thousand, four hundred one".