19196195079678 has 8 divisors (see below), whose sum is σ = 38392390159368. Its totient is φ = 6398731693224.

The previous prime is 19196195079647. The next prime is 19196195079707. The reversal of 19196195079678 is 87697059169191.

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

19196195079678 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599682923301 + ... + 1599682923312.

It is an arithmetic number, because the mean of its divisors is an integer number (4799048769921).

Almost surely, 2^{19196195079678} is an apocalyptic number.

19196195079678 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.

19196195079678 is a wasteful number, since it uses less digits than its factorization.

19196195079678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199365846618.

The product of its (nonzero) digits is 462944160, while the sum is 78.

The spelling of 19196195079678 in words is "nineteen trillion, one hundred ninety-six billion, one hundred ninety-five million, seventy-nine thousand, six hundred seventy-eight".