16419320247 has 32 divisors (see below), whose sum is σ = 25141694976. Its totient is φ = 9434163200.

The previous prime is 16419320219. The next prime is 16419320303. The reversal of 16419320247 is 74202391461.

It is not a de Polignac number, because 16419320247 - 2⁸ = 16419319991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16419320147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9954 + ... + 181487.

It is an arithmetic number, because the mean of its divisors is an integer number (785677968).

Almost surely, 2^16419320247 is an apocalyptic number.

16419320247 is a deficient number, since it is larger than the sum of its proper divisors (8722374729).

16419320247 is a wasteful number, since it uses less digits than its factorization.

16419320247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191591.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 16419320247 in words is "sixteen billion, four hundred nineteen million, three hundred twenty thousand, two hundred forty-seven".