16726201161 has 4 divisors (see below), whose sum is σ = 22301601552. Its totient is φ = 11150800772.

The previous prime is 16726201147. The next prime is 16726201169. The reversal of 16726201161 is 16110262761.

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 16726201161 - 2⁷ = 16726201033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16726201169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2787700191 + ... + 2787700196.

It is an arithmetic number, because the mean of its divisors is an integer number (5575400388).

Almost surely, 2^16726201161 is an apocalyptic number.

It is an amenable number.

16726201161 is a deficient number, since it is larger than the sum of its proper divisors (5575400391).

16726201161 is an equidigital number, since it uses as much as digits as its factorization.

16726201161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575400390.

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 16726201161 in words is "sixteen billion, seven hundred twenty-six million, two hundred one thousand, one hundred sixty-one".