16500542653 has 16 divisors (see below), whose sum is σ = 19161878400. Its totient is φ = 13917013056.

The previous prime is 16500542651. The next prime is 16500542659. The reversal of 16500542653 is 35624500561.

It is a cyclic number.

It is not a de Polignac number, because 16500542653 - 2¹ = 16500542651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16500542651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37675 + ... + 185527.

It is an arithmetic number, because the mean of its divisors is an integer number (1197617400).

Almost surely, 2^16500542653 is an apocalyptic number.

It is an amenable number.

16500542653 is a deficient number, since it is larger than the sum of its proper divisors (2661335747).

16500542653 is a wasteful number, since it uses less digits than its factorization.

16500542653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148116.

The product of its (nonzero) digits is 108000, while the sum is 37.

It can be divided in two parts, 16500 and 542653, that added together give a triangular number (559153 = T₁₀₅₇).

The spelling of 16500542653 in words is "sixteen billion, five hundred million, five hundred forty-two thousand, six hundred fifty-three".