198792151 has 4 divisors (see below), whose sum is σ = 207435312. Its totient is φ = 190148992.

The previous prime is 198792131. The next prime is 198792161. The reversal of 198792151 is 151297891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151297891 = 397 ⋅381103.

It is a cyclic number.

It is not a de Polignac number, because 198792151 - 2⁷ = 198792023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198792098 and 198792107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198792131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4321546 + ... + 4321591.

It is an arithmetic number, because the mean of its divisors is an integer number (51858828).

Almost surely, 2^198792151 is an apocalyptic number.

198792151 is a deficient number, since it is larger than the sum of its proper divisors (8643161).

198792151 is an equidigital number, since it uses as much as digits as its factorization.

198792151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643160.

The product of its digits is 45360, while the sum is 43.

The square root of 198792151 is about 14099.3670425307. The cubic root of 198792151 is about 583.6239124436.

The spelling of 198792151 in words is "one hundred ninety-eight million, seven hundred ninety-two thousand, one hundred fifty-one".