197304916979418 has 8 divisors (see below), whose sum is σ = 394609833958848. Its totient is φ = 65768305659804.

The previous prime is 197304916979411. The next prime is 197304916979461. The reversal of 197304916979418 is 814979619403791.

It is a happy number.

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

197304916979418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (197304916979411) 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, 16442076414946 + ... + 16442076414957.

It is an arithmetic number, because the mean of its divisors is an integer number (49326229244856).

Almost surely, 2^{197304916979418} is an apocalyptic number.

197304916979418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

197304916979418 is a wasteful number, since it uses less digits than its factorization.

197304916979418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32884152829908.

The product of its (nonzero) digits is 740710656, while the sum is 78.

The spelling of 197304916979418 in words is "one hundred ninety-seven trillion, three hundred four billion, nine hundred sixteen million, nine hundred seventy-nine thousand, four hundred eighteen".