172416180404 has 24 divisors (see below), whose sum is σ = 327975002208. Its totient is φ = 78832988640.

The previous prime is 172416180389. The next prime is 172416180439. The reversal of 172416180404 is 404081614271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15488342 + ... + 15499469.

It is an arithmetic number, because the mean of its divisors is an integer number (13665625092).

Almost surely, 2^172416180404 is an apocalyptic number.

It is an amenable number.

172416180404 is a deficient number, since it is larger than the sum of its proper divisors (155558821804).

172416180404 is a wasteful number, since it uses less digits than its factorization.

172416180404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30987935 (or 30987933 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

Adding to 172416180404 its reverse (404081614271), we get a palindrome (576497794675).

The spelling of 172416180404 in words is "one hundred seventy-two billion, four hundred sixteen million, one hundred eighty thousand, four hundred four".