172148086 has 16 divisors (see below), whose sum is σ = 298267920. Its totient is φ = 73646080.

The previous prime is 172148071. The next prime is 172148107. The reversal of 172148086 is 680841271.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229771 + ... + 230518.

It is an arithmetic number, because the mean of its divisors is an integer number (18641745).

Almost surely, 2^172148086 is an apocalyptic number.

172148086 is a deficient number, since it is larger than the sum of its proper divisors (126119834).

172148086 is a wasteful number, since it uses less digits than its factorization.

172148086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460319.

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 172148086 is about 13120.5215597552. The cubic root of 172148086 is about 556.2893336492.

The spelling of 172148086 in words is "one hundred seventy-two million, one hundred forty-eight thousand, eighty-six".