198152799 has 32 divisors (see below), whose sum is σ = 307722240. Its totient is φ = 112307712.

The previous prime is 198152791. The next prime is 198152807. The reversal of 198152799 is 997251891.

It is an interprime number because it is at equal distance from previous prime (198152791) and next prime (198152807).

It is not a de Polignac number, because 198152799 - 2³ = 198152791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198152791) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27982 + ... + 34340.

It is an arithmetic number, because the mean of its divisors is an integer number (9616320).

Almost surely, 2^198152799 is an apocalyptic number.

198152799 is a deficient number, since it is larger than the sum of its proper divisors (109569441).

198152799 is a wasteful number, since it uses less digits than its factorization.

198152799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439.

The product of its digits is 408240, while the sum is 51.

The square root of 198152799 is about 14076.6757084192. The cubic root of 198152799 is about 582.9975599775.

The spelling of 198152799 in words is "one hundred ninety-eight million, one hundred fifty-two thousand, seven hundred ninety-nine".