16018446091 has 2 divisors, whose sum is σ = 16018446092. Its totient is φ = 16018446090.

The previous prime is 16018446053. The next prime is 16018446121. The reversal of 16018446091 is 19064481061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16018446091 - 2¹³ = 16018437899 is a prime.

It is not a weakly prime, because it can be changed into another prime (16018446491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8009223045 + 8009223046.

It is an arithmetic number, because the mean of its divisors is an integer number (8009223046).

Almost surely, 2^16018446091 is an apocalyptic number.

16018446091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16018446091 is an equidigital number, since it uses as much as digits as its factorization.

16018446091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 16018446091 in words is "sixteen billion, eighteen million, four hundred forty-six thousand, ninety-one".