171280090 has 32 divisors (see below), whose sum is σ = 320215680. Its totient is φ = 65884224.

The previous prime is 171280063. The next prime is 171280091. The reversal of 171280090 is 90082171.

171280090 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (171280091) 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, 81027 + ... + 83113.

It is an arithmetic number, because the mean of its divisors is an integer number (10006740).

Almost surely, 2^171280090 is an apocalyptic number.

171280090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171280090 is a deficient number, since it is larger than the sum of its proper divisors (148935590).

171280090 is a wasteful number, since it uses less digits than its factorization.

171280090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 171280090 is about 13087.4019576079. The cubic root of 171280090 is about 555.3527935770.

The spelling of 171280090 in words is "one hundred seventy-one million, two hundred eighty thousand, ninety".