16132212609 has 4 divisors (see below), whose sum is σ = 21509616816. Its totient is φ = 10754808404.

The previous prime is 16132212601. The next prime is 16132212619. The reversal of 16132212609 is 90621223161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16132212609 - 2³ = 16132212601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16132212609.

It is not an unprimeable number, because it can be changed into a prime (16132212601) 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, 2688702099 + ... + 2688702104.

It is an arithmetic number, because the mean of its divisors is an integer number (5377404204).

Almost surely, 2^16132212609 is an apocalyptic number.

It is an amenable number.

16132212609 is a deficient number, since it is larger than the sum of its proper divisors (5377404207).

16132212609 is an equidigital number, since it uses as much as digits as its factorization.

16132212609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377404206.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 16132212609 in words is "sixteen billion, one hundred thirty-two million, two hundred twelve thousand, six hundred nine".