16216996305 has 8 divisors (see below), whose sum is σ = 25947194112. Its totient is φ = 8649064688.

The previous prime is 16216996273. The next prime is 16216996319. The reversal of 16216996305 is 50369961261.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16216996305 - 2⁵ = 16216996273 is a prime.

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, 540566529 + ... + 540566558.

It is an arithmetic number, because the mean of its divisors is an integer number (3243399264).

Almost surely, 2^16216996305 is an apocalyptic number.

16216996305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16216996305 is a deficient number, since it is larger than the sum of its proper divisors (9730197807).

16216996305 is a wasteful number, since it uses less digits than its factorization.

16216996305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081133095.

The product of its (nonzero) digits is 524880, while the sum is 48.

The spelling of 16216996305 in words is "sixteen billion, two hundred sixteen million, nine hundred ninety-six thousand, three hundred five".