198030792970 has 16 divisors (see below), whose sum is σ = 357742275048. Its totient is φ = 78926351040.

The previous prime is 198030792943. The next prime is 198030793049. The reversal of 198030792970 is 79297030891.

It can be written as a sum of positive squares in 4 ways, for example, as 146031743881 + 51999049089 = 382141^2 + 228033^2 .

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, 35742861 + ... + 35748400.

Almost surely, 2^198030792970 is an apocalyptic number.

198030792970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198030792970 is a deficient number, since it is larger than the sum of its proper divisors (159711482078).

198030792970 is a wasteful number, since it uses less digits than its factorization.

198030792970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71491545.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The spelling of 198030792970 in words is "one hundred ninety-eight billion, thirty million, seven hundred ninety-two thousand, nine hundred seventy".