164430512071 has 32 divisors (see below), whose sum is σ = 203702957568. Its totient is φ = 129500743680.

The previous prime is 164430512069. The next prime is 164430512083. The reversal of 164430512071 is 170215034461.

It is not a de Polignac number, because 164430512071 - 2¹ = 164430512069 is a prime.

It is a super-3 number, since 3×164430512071³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164430512011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12125631 + ... + 12139183.

It is an arithmetic number, because the mean of its divisors is an integer number (6365717424).

Almost surely, 2^164430512071 is an apocalyptic number.

164430512071 is a deficient number, since it is larger than the sum of its proper divisors (39272445497).

164430512071 is a wasteful number, since it uses less digits than its factorization.

164430512071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15991.

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 164430512071 in words is "one hundred sixty-four billion, four hundred thirty million, five hundred twelve thousand, seventy-one".