16216884505 has 16 divisors (see below), whose sum is σ = 20359434240. Its totient is φ = 12377007808.

The previous prime is 16216884493. The next prime is 16216884521. The reversal of 16216884505 is 50548861261.

It is a cyclic number.

It is not a de Polignac number, because 16216884505 - 2⁵ = 16216884473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140050 + ... + 228139.

It is an arithmetic number, because the mean of its divisors is an integer number (1272464640).

Almost surely, 2^16216884505 is an apocalyptic number.

It is an amenable number.

16216884505 is a deficient number, since it is larger than the sum of its proper divisors (4142549735).

16216884505 is a wasteful number, since it uses less digits than its factorization.

16216884505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368600.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 16216884505 in words is "sixteen billion, two hundred sixteen million, eight hundred eighty-four thousand, five hundred five".