164671020344 has 16 divisors (see below), whose sum is σ = 309392170800. Its totient is φ = 82166441472.

The previous prime is 164671020343. The next prime is 164671020361. The reversal of 164671020344 is 443020176461.

It is a super-2 number, since 2×164671020344² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164671020298 and 164671020307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164671020343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21129449 + ... + 21137240.

It is an arithmetic number, because the mean of its divisors is an integer number (19337010675).

Almost surely, 2^164671020344 is an apocalyptic number.

It is an amenable number.

164671020344 is a deficient number, since it is larger than the sum of its proper divisors (144721150456).

164671020344 is a wasteful number, since it uses less digits than its factorization.

164671020344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42267182 (or 42267178 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 164671020344 in words is "one hundred sixty-four billion, six hundred seventy-one million, twenty thousand, three hundred forty-four".