16316432611 has 4 divisors (see below), whose sum is σ = 16714394424. Its totient is φ = 15918470800.

The previous prime is 16316432593. The next prime is 16316432621. The reversal of 16316432611 is 11623461361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11623461361 = 251 ⋅46308611.

It is a cyclic number.

It is not a de Polignac number, because 16316432611 - 2¹³ = 16316424419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16316432621) 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, 198980845 + ... + 198980926.

It is an arithmetic number, because the mean of its divisors is an integer number (4178598606).

Almost surely, 2^16316432611 is an apocalyptic number.

16316432611 is a deficient number, since it is larger than the sum of its proper divisors (397961813).

16316432611 is an equidigital number, since it uses as much as digits as its factorization.

16316432611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397961812.

The product of its digits is 15552, while the sum is 34.

Adding to 16316432611 its reverse (11623461361), we get a palindrome (27939893972).

The spelling of 16316432611 in words is "sixteen billion, three hundred sixteen million, four hundred thirty-two thousand, six hundred eleven".