164404795529 has 12 divisors (see below), whose sum is σ = 178080570576. Its totient is φ = 151710157872.

The previous prime is 164404795483. The next prime is 164404795613. The reversal of 164404795529 is 925597404461.

It is not a de Polignac number, because 164404795529 - 2³² = 160109828233 is a prime.

It is a super-3 number, since 3×164404795529³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164404792529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 385982 + ... + 691224.

It is an arithmetic number, because the mean of its divisors is an integer number (14840047548).

Almost surely, 2^164404795529 is an apocalyptic number.

It is an amenable number.

164404795529 is a deficient number, since it is larger than the sum of its proper divisors (13675775047).

164404795529 is a wasteful number, since it uses less digits than its factorization.

164404795529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308456 (or 308443 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 164404795529 in words is "one hundred sixty-four billion, four hundred four million, seven hundred ninety-five thousand, five hundred twenty-nine".