172160507 has 4 divisors (see below), whose sum is σ = 172273200. Its totient is φ = 172047816.

The previous prime is 172160473. The next prime is 172160533. The reversal of 172160507 is 705061271.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705061271 = 12473 ⋅56527.

It is a cyclic number.

It is not a de Polignac number, because 172160507 - 2⁸ = 172160251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172160507.

It is not an unprimeable number, because it can be changed into a prime (172160557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54023 + ... + 57120.

It is an arithmetic number, because the mean of its divisors is an integer number (43068300).

Almost surely, 2^172160507 is an apocalyptic number.

172160507 is a deficient number, since it is larger than the sum of its proper divisors (112693).

172160507 is a wasteful number, since it uses less digits than its factorization.

172160507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112692.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 172160507 is about 13120.9948936809. The cubic root of 172160507 is about 556.3027126412.

The spelling of 172160507 in words is "one hundred seventy-two million, one hundred sixty thousand, five hundred seven".