198151514 has 16 divisors (see below), whose sum is σ = 324772416. Its totient is φ = 89923200.

The previous prime is 198151487. The next prime is 198151531. The reversal of 198151514 is 415151891.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7274 + ... + 21194.

It is an arithmetic number, because the mean of its divisors is an integer number (20298276).

Almost surely, 2^198151514 is an apocalyptic number.

198151514 is a deficient number, since it is larger than the sum of its proper divisors (126620902).

198151514 is a wasteful number, since it uses less digits than its factorization.

198151514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14581.

The product of its digits is 7200, while the sum is 35.

The square root of 198151514 is about 14076.6300654667. The cubic root of 198151514 is about 582.9962997489.

The spelling of 198151514 in words is "one hundred ninety-eight million, one hundred fifty-one thousand, five hundred fourteen".