16325488999 has 2 divisors, whose sum is σ = 16325489000. Its totient is φ = 16325488998.

The previous prime is 16325488969. The next prime is 16325489023. The reversal of 16325488999 is 99988452361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16325488999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16325488999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16325488969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8162744499 + 8162744500.

It is an arithmetic number, because the mean of its divisors is an integer number (8162744500).

Almost surely, 2^16325488999 is an apocalyptic number.

16325488999 is a deficient number, since it is larger than the sum of its proper divisors (1).

16325488999 is an equidigital number, since it uses as much as digits as its factorization.

16325488999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33592320, while the sum is 64.

The spelling of 16325488999 in words is "sixteen billion, three hundred twenty-five million, four hundred eighty-eight thousand, nine hundred ninety-nine".