172152671 has 8 divisors (see below), whose sum is σ = 178330080. Its totient is φ = 165991392.

The previous prime is 172152667. The next prime is 172152679. The reversal of 172152671 is 176251271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172152671 - 2² = 172152667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172152679) 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, 20261 + ... + 27473.

It is an arithmetic number, because the mean of its divisors is an integer number (22291260).

Almost surely, 2^172152671 is an apocalyptic number.

172152671 is a deficient number, since it is larger than the sum of its proper divisors (6177409).

172152671 is an equidigital number, since it uses as much as digits as its factorization.

172152671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065.

The product of its digits is 5880, while the sum is 32.

The square root of 172152671 is about 13120.6962848776. The cubic root of 172152671 is about 556.2942723505.

The spelling of 172152671 in words is "one hundred seventy-two million, one hundred fifty-two thousand, six hundred seventy-one".