16251364399 has 2 divisors, whose sum is σ = 16251364400. Its totient is φ = 16251364398.

The previous prime is 16251364379. The next prime is 16251364457. The reversal of 16251364399 is 99346315261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16251364399 - 2⁷ = 16251364271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16251364369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8125682199 + 8125682200.

It is an arithmetic number, because the mean of its divisors is an integer number (8125682200).

Almost surely, 2^16251364399 is an apocalyptic number.

16251364399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16251364399 is an equidigital number, since it uses as much as digits as its factorization.

16251364399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The spelling of 16251364399 in words is "sixteen billion, two hundred fifty-one million, three hundred sixty-four thousand, three hundred ninety-nine".