172141660 has 48 divisors (see below), whose sum is σ = 399422016. Its totient is φ = 61985792.

The previous prime is 172141633. The next prime is 172141663. The reversal of 172141660 is 66141271.

It is a super-2 number, since 2×172141660² = 59265502215111200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172141663) 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, 3187 + ... + 18826.

It is an arithmetic number, because the mean of its divisors is an integer number (8321292).

Almost surely, 2^172141660 is an apocalyptic number.

172141660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172141660 is an abundant number, since it is smaller than the sum of its proper divisors (227280356).

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

172141660 is a wasteful number, since it uses less digits than its factorization.

172141660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22062 (or 22060 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 172141660 is about 13120.2766739120. The cubic root of 172141660 is about 556.2824117797.

The spelling of 172141660 in words is "one hundred seventy-two million, one hundred forty-one thousand, six hundred sixty".