172066260 has 24 divisors (see below), whose sum is σ = 481785696. Its totient is φ = 45884320.

The previous prime is 172066259. The next prime is 172066283. The reversal of 172066260 is 62660271.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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, 1433826 + ... + 1433945.

It is an arithmetic number, because the mean of its divisors is an integer number (20074404).

Almost surely, 2^172066260 is an apocalyptic number.

172066260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172066260 is an abundant number, since it is smaller than the sum of its proper divisors (309719436).

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

172066260 is a wasteful number, since it uses less digits than its factorization.

172066260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867783 (or 2867781 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 172066260 is about 13117.4029441807. The cubic root of 172066260 is about 556.2011805827.

The spelling of 172066260 in words is "one hundred seventy-two million, sixty-six thousand, two hundred sixty".