16945219846 has 8 divisors (see below), whose sum is σ = 26912996280. Its totient is φ = 7974221088.

The previous prime is 16945219817. The next prime is 16945219873. The reversal of 16945219846 is 64891254961.

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, 249194376 + ... + 249194443.

It is an arithmetic number, because the mean of its divisors is an integer number (3364124535).

Almost surely, 2^16945219846 is an apocalyptic number.

16945219846 is a deficient number, since it is larger than the sum of its proper divisors (9967776434).

16945219846 is a wasteful number, since it uses less digits than its factorization.

16945219846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498388838.

The product of its digits is 3732480, while the sum is 55.

The spelling of 16945219846 in words is "sixteen billion, nine hundred forty-five million, two hundred nineteen thousand, eight hundred forty-six".