164575804044 has 24 divisors (see below), whose sum is σ = 392180640768. Its totient is φ = 53691396880.

The previous prime is 164575804007. The next prime is 164575804049. The reversal of 164575804044 is 440408575461.

It is a junction number, because it is equal to n+sod(n) for n = 164575803984 and 164575804002.

It is not an unprimeable number, because it can be changed into a prime (164575804049) 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, 145899972 + ... + 145901099.

It is an arithmetic number, because the mean of its divisors is an integer number (16340860032).

Almost surely, 2^164575804044 is an apocalyptic number.

It is an amenable number.

164575804044 is an abundant number, since it is smaller than the sum of its proper divisors (227604836724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164575804044 is a wasteful number, since it uses less digits than its factorization.

164575804044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291801125 (or 291801123 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 164575804044 in words is "one hundred sixty-four billion, five hundred seventy-five million, eight hundred four thousand, forty-four".