65316720107 has 4 divisors (see below), whose sum is σ = 65320011960. Its totient is φ = 65313428256.

The previous prime is 65316720067. The next prime is 65316720179. The reversal of 65316720107 is 70102761356.

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 65316720107 - 2⁶ = 65316720043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65316723107) 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, 1615982 + ... + 1655907.

It is an arithmetic number, because the mean of its divisors is an integer number (16330002990).

Almost surely, 2^65316720107 is an apocalyptic number.

65316720107 is a deficient number, since it is larger than the sum of its proper divisors (3291853).

65316720107 is a wasteful number, since it uses less digits than its factorization.

65316720107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291852.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 65316720107 in words is "sixty-five billion, three hundred sixteen million, seven hundred twenty thousand, one hundred seven".