198379971291306 has 64 divisors (see below), whose sum is σ = 455063881218048. Its totient is φ = 56477336505408.

The previous prime is 198379971291241. The next prime is 198379971291319. The reversal of 198379971291306 is 603192179973891.

198379971291306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×198379971291306² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7042371 + ... + 21127113.

It is an arithmetic number, because the mean of its divisors is an integer number (7110373144032).

Almost surely, 2^{198379971291306} is an apocalyptic number.

It is a pronic number, being equal to 14084742×14084743.

198379971291306 is an abundant number, since it is smaller than the sum of its proper divisors (256683909926742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198379971291306 is a wasteful number, since it uses less digits than its factorization.

198379971291306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085955.

The product of its (nonzero) digits is 277766496, while the sum is 75.

The spelling of 198379971291306 in words is "one hundred ninety-eight trillion, three hundred seventy-nine billion, nine hundred seventy-one million, two hundred ninety-one thousand, three hundred six".