171997060 has 24 divisors (see below), whose sum is σ = 363197016. Its totient is φ = 68417280.

The previous prime is 171997051. The next prime is 171997069. The reversal of 171997060 is 60799171.

It is an interprime number because it is at equal distance from previous prime (171997051) and next prime (171997069).

It can be written as a sum of positive squares in 4 ways, for example, as 4656964 + 167340096 = 2158^2 + 12936^2 .

It is not an unprimeable number, because it can be changed into a prime (171997069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20137 + ... + 27376.

It is an arithmetic number, because the mean of its divisors is an integer number (15133209).

Almost surely, 2^171997060 is an apocalyptic number.

171997060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171997060 is an abundant number, since it is smaller than the sum of its proper divisors (191199956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171997060 is a wasteful number, since it uses less digits than its factorization.

171997060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47703 (or 47701 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 171997060 is about 13114.7649616758. The cubic root of 171997060 is about 556.1266079877.

The spelling of 171997060 in words is "one hundred seventy-one million, nine hundred ninety-seven thousand, sixty".