164404488669 has 8 divisors (see below), whose sum is σ = 219215076192. Its totient is φ = 109598446800.

The previous prime is 164404488667. The next prime is 164404488673. The reversal of 164404488669 is 966884404461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164404488669 - 2¹ = 164404488667 is a prime.

It is a super-3 number, since 3×164404488669³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164404488667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051107 + ... + 1197344.

It is an arithmetic number, because the mean of its divisors is an integer number (27401884524).

Almost surely, 2^164404488669 is an apocalyptic number.

It is an amenable number.

164404488669 is a deficient number, since it is larger than the sum of its proper divisors (54810587523).

164404488669 is a wasteful number, since it uses less digits than its factorization.

164404488669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272827.

The product of its (nonzero) digits is 31850496, while the sum is 60.

The spelling of 164404488669 in words is "one hundred sixty-four billion, four hundred four million, four hundred eighty-eight thousand, six hundred sixty-nine".