65147036667 has 4 divisors (see below), whose sum is σ = 86862715560. Its totient is φ = 43431357776.

The previous prime is 65147036629. The next prime is 65147036671. The reversal of 65147036667 is 76663074156.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65147036667 - 2¹⁰ = 65147035643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65147037667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10857839442 + ... + 10857839447.

It is an arithmetic number, because the mean of its divisors is an integer number (21715678890).

Almost surely, 2^65147036667 is an apocalyptic number.

65147036667 is a deficient number, since it is larger than the sum of its proper divisors (21715678893).

65147036667 is a wasteful number, since it uses less digits than its factorization.

65147036667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21715678892.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 65147036667 in words is "sixty-five billion, one hundred forty-seven million, thirty-six thousand, six hundred sixty-seven".