164222611065 has 24 divisors (see below), whose sum is σ = 284729934528. Its totient is φ = 87561574560.

The previous prime is 164222611037. The next prime is 164222611093. The reversal of 164222611065 is 560116222461.

164222611065 is a `hidden beast` number, since 1 + 642 + 2 + 2 + 6 + 1 + 1 + 0 + 6 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (164222611037) and next prime (164222611093).

It is not a de Polignac number, because 164222611065 - 2¹¹ = 164222609017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328269 + ... + 660458.

It is an arithmetic number, because the mean of its divisors is an integer number (11863747272).

Almost surely, 2^164222611065 is an apocalyptic number.

164222611065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164222611065 is a deficient number, since it is larger than the sum of its proper divisors (120507323463).

164222611065 is a wasteful number, since it uses less digits than its factorization.

164222611065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992429 (or 992426 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 164222611065 in words is "one hundred sixty-four billion, two hundred twenty-two million, six hundred eleven thousand, sixty-five".