65070657667 has 8 divisors (see below), whose sum is σ = 67903979040. Its totient is φ = 62237683200.

The previous prime is 65070657647. The next prime is 65070657709. The reversal of 65070657667 is 76675607056.

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

It is a cyclic number.

It is not a de Polignac number, because 65070657667 - 2³⁵ = 30710919299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65070657647) 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, 341667 + ... + 496867.

It is an arithmetic number, because the mean of its divisors is an integer number (8487997380).

Almost surely, 2^65070657667 is an apocalyptic number.

65070657667 is a deficient number, since it is larger than the sum of its proper divisors (2833321373).

65070657667 is a wasteful number, since it uses less digits than its factorization.

65070657667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173453.

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 65070657667 in words is "sixty-five billion, seventy million, six hundred fifty-seven thousand, six hundred sixty-seven".