16661482041 has 4 divisors (see below), whose sum is σ = 22215309392. Its totient is φ = 11107654692.

The previous prime is 16661482039. The next prime is 16661482073. The reversal of 16661482041 is 14028416661.

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 not a de Polignac number, because 16661482041 - 2¹ = 16661482039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16661480041) 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, 2776913671 + ... + 2776913676.

It is an arithmetic number, because the mean of its divisors is an integer number (5553827348).

Almost surely, 2^16661482041 is an apocalyptic number.

It is an amenable number.

16661482041 is a deficient number, since it is larger than the sum of its proper divisors (5553827351).

16661482041 is an equidigital number, since it uses as much as digits as its factorization.

16661482041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553827350.

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 16661482041 in words is "sixteen billion, six hundred sixty-one million, four hundred eighty-two thousand, forty-one".