172806004036 has 24 divisors (see below), whose sum is σ = 318390579360. Its totient is φ = 81839088000.

The previous prime is 172806003991. The next prime is 172806004039. The reversal of 172806004036 is 630400608271.

It is a junction number, because it is equal to n+sod(n) for n = 172806003986 and 172806004004.

It is not an unprimeable number, because it can be changed into a prime (172806004039) 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, 158796 + ... + 608956.

It is an arithmetic number, because the mean of its divisors is an integer number (13266274140).

Almost surely, 2^172806004036 is an apocalyptic number.

It is an amenable number.

172806004036 is a deficient number, since it is larger than the sum of its proper divisors (145584575324).

172806004036 is a wasteful number, since it uses less digits than its factorization.

172806004036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455235 (or 455233 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 172806004036 in words is "one hundred seventy-two billion, eight hundred six million, four thousand, thirty-six".