172616601 has 16 divisors (see below), whose sum is σ = 240226560. Its totient is φ = 110148480.

The previous prime is 172616597. The next prime is 172616747. The reversal of 172616601 is 106616271.

It is not a de Polignac number, because 172616601 - 2² = 172616597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172611601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6721 + ... + 19758.

It is an arithmetic number, because the mean of its divisors is an integer number (15014160).

Almost surely, 2^172616601 is an apocalyptic number.

It is an amenable number.

172616601 is a deficient number, since it is larger than the sum of its proper divisors (67609959).

172616601 is a wasteful number, since it uses less digits than its factorization.

172616601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26576.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 172616601 is about 13138.3637109040. The cubic root of 172616601 is about 556.7935387171.

The spelling of 172616601 in words is "one hundred seventy-two million, six hundred sixteen thousand, six hundred one".