16534316011 has 4 divisors (see below), whose sum is σ = 16918835032. Its totient is φ = 16149796992.

The previous prime is 16534315951. The next prime is 16534316017. The reversal of 16534316011 is 11061343561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11061343561 = 61 ⋅181333501.

It is a cyclic number.

It is not a de Polignac number, because 16534316011 - 2⁷ = 16534315883 is a prime.

It is a super-2 number, since 2×16534316011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16534316017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192259446 + ... + 192259531.

It is an arithmetic number, because the mean of its divisors is an integer number (4229708758).

Almost surely, 2^16534316011 is an apocalyptic number.

16534316011 is a deficient number, since it is larger than the sum of its proper divisors (384519021).

16534316011 is an equidigital number, since it uses as much as digits as its factorization.

16534316011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384519020.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 16534316011 its reverse (11061343561), we get a palindrome (27595659572).

The spelling of 16534316011 in words is "sixteen billion, five hundred thirty-four million, three hundred sixteen thousand, eleven".