16131332067 has 4 divisors (see below), whose sum is σ = 21508442760. Its totient is φ = 10754221376.

The previous prime is 16131332017. The next prime is 16131332071. The reversal of 16131332067 is 76023313161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16131332067 - 2¹⁰ = 16131331043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16131332017) 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, 2688555342 + ... + 2688555347.

It is an arithmetic number, because the mean of its divisors is an integer number (5377110690).

Almost surely, 2^16131332067 is an apocalyptic number.

16131332067 is a deficient number, since it is larger than the sum of its proper divisors (5377110693).

16131332067 is an equidigital number, since it uses as much as digits as its factorization.

16131332067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377110692.

The product of its (nonzero) digits is 13608, while the sum is 33.

The spelling of 16131332067 in words is "sixteen billion, one hundred thirty-one million, three hundred thirty-two thousand, sixty-seven".