16006522161 has 8 divisors (see below), whose sum is σ = 24390890944. Its totient is φ = 9146584080.

The previous prime is 16006522151. The next prime is 16006522199. The reversal of 16006522161 is 16122560061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16006522161 - 2⁷ = 16006522033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16006522121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381107650 + ... + 381107691.

It is an arithmetic number, because the mean of its divisors is an integer number (3048861368).

Almost surely, 2^16006522161 is an apocalyptic number.

It is an amenable number.

16006522161 is a deficient number, since it is larger than the sum of its proper divisors (8384368783).

16006522161 is an equidigital number, since it uses as much as digits as its factorization.

16006522161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762215351.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 16006522161 in words is "sixteen billion, six million, five hundred twenty-two thousand, one hundred sixty-one".