196390418254 has 8 divisors (see below), whose sum is σ = 302547401208. Its totient is φ = 95541284520.

The previous prime is 196390418227. The next prime is 196390418261. The reversal of 196390418254 is 452814093691.

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

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, 1326962212 + ... + 1326962359.

It is an arithmetic number, because the mean of its divisors is an integer number (37818425151).

Almost surely, 2^196390418254 is an apocalyptic number.

196390418254 is a deficient number, since it is larger than the sum of its proper divisors (106156982954).

196390418254 is a wasteful number, since it uses less digits than its factorization.

196390418254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653924610.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 196390418254 in words is "one hundred ninety-six billion, three hundred ninety million, four hundred eighteen thousand, two hundred fifty-four".