65167216205 has 32 divisors (see below), whose sum is σ = 98294805504. Its totient is φ = 40371054336.

The previous prime is 65167216193. The next prime is 65167216211. The reversal of 65167216205 is 50261276156.

65167216205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 65167216205 - 2¹⁰ = 65167215181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502282 + ... + 1545051.

It is an arithmetic number, because the mean of its divisors is an integer number (3071712672).

Almost surely, 2^65167216205 is an apocalyptic number.

65167216205 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65167216205 is a deficient number, since it is larger than the sum of its proper divisors (33127589299).

65167216205 is a wasteful number, since it uses less digits than its factorization.

65167216205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047405.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 65167216205 in words is "sixty-five billion, one hundred sixty-seven million, two hundred sixteen thousand, two hundred five".