65167650506 has 16 divisors (see below), whose sum is σ = 111939864000. Its totient is φ = 27873020160.

The previous prime is 65167650503. The next prime is 65167650521. The reversal of 65167650506 is 60505676156.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65167650503) 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, 4657175 + ... + 4671146.

It is an arithmetic number, because the mean of its divisors is an integer number (6996241500).

Almost surely, 2^65167650506 is an apocalyptic number.

65167650506 is a deficient number, since it is larger than the sum of its proper divisors (46772213494).

65167650506 is a wasteful number, since it uses less digits than its factorization.

65167650506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328829.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 65167650506 in words is "sixty-five billion, one hundred sixty-seven million, six hundred fifty thousand, five hundred six".