198670321795 has 8 divisors (see below), whose sum is σ = 260077512240. Its totient is φ = 144487506720.

The previous prime is 198670321783. The next prime is 198670321807. The reversal of 198670321795 is 597123076891.

It is an interprime number because it is at equal distance from previous prime (198670321783) and next prime (198670321807).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 198670321795 - 2¹⁷ = 198670190723 is a prime.

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, 1806093780 + ... + 1806093889.

It is an arithmetic number, because the mean of its divisors is an integer number (32509689030).

Almost surely, 2^198670321795 is an apocalyptic number.

198670321795 is a deficient number, since it is larger than the sum of its proper divisors (61407190445).

198670321795 is a wasteful number, since it uses less digits than its factorization.

198670321795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3612187685.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 198670321795 in words is "one hundred ninety-eight billion, six hundred seventy million, three hundred twenty-one thousand, seven hundred ninety-five".