194344474216 has 32 divisors (see below), whose sum is σ = 371575848960. Its totient is φ = 95260589632.

The previous prime is 194344474189. The next prime is 194344474223. The reversal of 194344474216 is 612474443491.

It is a self number, because there is not a number n which added to its sum of digits gives 194344474216.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331161 + ... + 705943.

It is an arithmetic number, because the mean of its divisors is an integer number (11611745280).

Almost surely, 2^194344474216 is an apocalyptic number.

It is an amenable number.

194344474216 is a deficient number, since it is larger than the sum of its proper divisors (177231374744).

194344474216 is a wasteful number, since it uses less digits than its factorization.

194344474216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376065 (or 376061 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 49.

The spelling of 194344474216 in words is "one hundred ninety-four billion, three hundred forty-four million, four hundred seventy-four thousand, two hundred sixteen".