196359225391 has 16 divisors (see below), whose sum is σ = 233473638400. Its totient is φ = 161596088640.

The previous prime is 196359225383. The next prime is 196359225401. The reversal of 196359225391 is 193522953691.

It is not a de Polignac number, because 196359225391 - 2³ = 196359225383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196359225331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3534966 + ... + 3590083.

It is an arithmetic number, because the mean of its divisors is an integer number (14592102400).

Almost surely, 2^196359225391 is an apocalyptic number.

196359225391 is a deficient number, since it is larger than the sum of its proper divisors (37114413009).

196359225391 is a wasteful number, since it uses less digits than its factorization.

196359225391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7125214.

The product of its digits is 3936600, while the sum is 55.

The spelling of 196359225391 in words is "one hundred ninety-six billion, three hundred fifty-nine million, two hundred twenty-five thousand, three hundred ninety-one".