16506011206653 has 16 divisors (see below), whose sum is σ = 22147154459136. Its totient is φ = 10934481493040.

The previous prime is 16506011206627. The next prime is 16506011206681. The reversal of 16506011206653 is 35660211060561.

It is a cyclic number.

It is not a de Polignac number, because 16506011206653 - 2¹³ = 16506011198461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506011205653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3962451 + ... + 6979472.

It is an arithmetic number, because the mean of its divisors is an integer number (1384197153696).

Almost surely, 2^{16506011206653} is an apocalyptic number.

It is an amenable number.

16506011206653 is a deficient number, since it is larger than the sum of its proper divisors (5641143252483).

16506011206653 is a wasteful number, since it uses less digits than its factorization.

16506011206653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10945104.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 16506011206653 in words is "sixteen trillion, five hundred six billion, eleven million, two hundred six thousand, six hundred fifty-three".