4167722065 has 8 divisors (see below), whose sum is σ = 5385979368. Its totient is φ = 3077702400.

The previous prime is 4167722051. The next prime is 4167722071. The reversal of 4167722065 is 5602277614.

It can be written as a sum of positive squares in 4 ways, for example, as 172344384 + 3995377681 = 13128^2 + 63209^2 .

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

It is not a de Polignac number, because 4167722065 - 2⁵ = 4167722033 is a prime.

It is a super-2 number, since 2×4167722065² = 34739814422175728450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32059336 + ... + 32059465.

It is an arithmetic number, because the mean of its divisors is an integer number (673247421).

Almost surely, 2^4167722065 is an apocalyptic number.

It is an amenable number.

4167722065 is a deficient number, since it is larger than the sum of its proper divisors (1218257303).

4167722065 is a wasteful number, since it uses less digits than its factorization.

4167722065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64118819.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 4167722065 is about 64557.8969995151. The cubic root of 4167722065 is about 1609.2848263248.

Adding to 4167722065 its reverse (5602277614), we get a palindrome (9769999679).

The spelling of 4167722065 in words is "four billion, one hundred sixty-seven million, seven hundred twenty-two thousand, sixty-five".