198172060 has 24 divisors (see below), whose sum is σ = 440642160. Its totient is φ = 74605824.

The previous prime is 198172049. The next prime is 198172081. The reversal of 198172060 is 60271891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291090 + ... + 291769.

It is an arithmetic number, because the mean of its divisors is an integer number (18360090).

Almost surely, 2^198172060 is an apocalyptic number.

198172060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198172060 is an abundant number, since it is smaller than the sum of its proper divisors (242470100).

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

198172060 is a wasteful number, since it uses less digits than its factorization.

198172060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582885 (or 582883 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 198172060 is about 14077.3598376968. The cubic root of 198172060 is about 583.0164490238.

The spelling of 198172060 in words is "one hundred ninety-eight million, one hundred seventy-two thousand, sixty".