198158060 has 24 divisors (see below), whose sum is σ = 416404800. Its totient is φ = 79211264.

The previous prime is 198158057. The next prime is 198158083. The reversal of 198158060 is 60851891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46916 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (17350200).

Almost surely, 2^198158060 is an apocalyptic number.

198158060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198158060 is an abundant number, since it is smaller than the sum of its proper divisors (218246740).

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

198158060 is a wasteful number, since it uses less digits than its factorization.

198158060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505 (or 6503 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 198158060 is about 14076.8625765829. The cubic root of 198158060 is about 583.0027195026.

The spelling of 198158060 in words is "one hundred ninety-eight million, one hundred fifty-eight thousand, sixty".