16533704505 has 16 divisors (see below), whose sum is σ = 26540103744. Its totient is φ = 8789250240.

The previous prime is 16533704471. The next prime is 16533704513. The reversal of 16533704505 is 50540733561.

It is not a de Polignac number, because 16533704505 - 2⁷ = 16533704377 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, 1790586 + ... + 1799795.

It is an arithmetic number, because the mean of its divisors is an integer number (1658756484).

Almost surely, 2^16533704505 is an apocalyptic number.

16533704505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16533704505 is a deficient number, since it is larger than the sum of its proper divisors (10006399239).

16533704505 is a wasteful number, since it uses less digits than its factorization.

16533704505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590696.

The product of its (nonzero) digits is 189000, while the sum is 39.

The spelling of 16533704505 in words is "sixteen billion, five hundred thirty-three million, seven hundred four thousand, five hundred five".