164264843169 has 48 divisors (see below), whose sum is σ = 283010457600. Its totient is φ = 89767627488.

The previous prime is 164264843143. The next prime is 164264843177. The reversal of 164264843169 is 961348462461.

164264843169 is a `hidden beast` number, since 1 + 64 + 264 + 8 + 4 + 316 + 9 = 666.

It is not a de Polignac number, because 164264843169 - 2¹² = 164264839073 is a prime.

It is a super-2 number, since 2×164264843169² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164264843269) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14714812 + ... + 14725970.

It is an arithmetic number, because the mean of its divisors is an integer number (5896051200).

Almost surely, 2^164264843169 is an apocalyptic number.

It is an amenable number.

164264843169 is a deficient number, since it is larger than the sum of its proper divisors (118745614431).

164264843169 is a wasteful number, since it uses less digits than its factorization.

164264843169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21354 (or 21351 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 164264843169 in words is "one hundred sixty-four billion, two hundred sixty-four million, eight hundred forty-three thousand, one hundred sixty-nine".