16190490259 has 2 divisors, whose sum is σ = 16190490260. Its totient is φ = 16190490258.

The previous prime is 16190490241. The next prime is 16190490293. The reversal of 16190490259 is 95209409161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16190490259 - 2⁵ = 16190490227 is a prime.

It is not a weakly prime, because it can be changed into another prime (16190490859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8095245129 + 8095245130.

It is an arithmetic number, because the mean of its divisors is an integer number (8095245130).

Almost surely, 2^16190490259 is an apocalyptic number.

16190490259 is a deficient number, since it is larger than the sum of its proper divisors (1).

16190490259 is an equidigital number, since it uses as much as digits as its factorization.

16190490259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 16190490259 in words is "sixteen billion, one hundred ninety million, four hundred ninety thousand, two hundred fifty-nine".