164065279679 has 16 divisors (see below), whose sum is σ = 189369922560. Its totient is φ = 139227992640.

The previous prime is 164065279669. The next prime is 164065279709. The reversal of 164065279679 is 976972560461.

It is a cyclic number.

It is not a de Polignac number, because 164065279679 - 2⁸ = 164065279423 is a prime.

It is a super-2 number, since 2×164065279679² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164065279669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176342 + ... + 3227580.

It is an arithmetic number, because the mean of its divisors is an integer number (11835620160).

Almost surely, 2^164065279679 is an apocalyptic number.

164065279679 is a deficient number, since it is larger than the sum of its proper divisors (25304642881).

164065279679 is a wasteful number, since it uses less digits than its factorization.

164065279679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55790.

The product of its (nonzero) digits is 34292160, while the sum is 62.

The spelling of 164065279679 in words is "one hundred sixty-four billion, sixty-five million, two hundred seventy-nine thousand, six hundred seventy-nine".