196168386158 has 4 divisors (see below), whose sum is σ = 294252579240. Its totient is φ = 98084193078.

The previous prime is 196168386143. The next prime is 196168386181. The reversal of 196168386158 is 851683861691.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 196168386158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49042096538 + ... + 49042096541.

It is an arithmetic number, because the mean of its divisors is an integer number (73563144810).

Almost surely, 2^196168386158 is an apocalyptic number.

196168386158 is a deficient number, since it is larger than the sum of its proper divisors (98084193082).

196168386158 is an equidigital number, since it uses as much as digits as its factorization.

196168386158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98084193081.

The product of its digits is 14929920, while the sum is 62.

The spelling of 196168386158 in words is "one hundred ninety-six billion, one hundred sixty-eight million, three hundred eighty-six thousand, one hundred fifty-eight".