16512042622499 has 2 divisors, whose sum is σ = 16512042622500. Its totient is φ = 16512042622498.

The previous prime is 16512042622469. The next prime is 16512042622631. The reversal of 16512042622499 is 99422624021561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16512042622499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16512042622499.

It is not a weakly prime, because it can be changed into another prime (16512042622409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8256021311249 + 8256021311250.

It is an arithmetic number, because the mean of its divisors is an integer number (8256021311250).

Almost surely, 2^{16512042622499} is an apocalyptic number.

16512042622499 is a deficient number, since it is larger than the sum of its proper divisors (1).

16512042622499 is an equidigital number, since it uses as much as digits as its factorization.

16512042622499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 16512042622499 in words is "sixteen trillion, five hundred twelve billion, forty-two million, six hundred twenty-two thousand, four hundred ninety-nine".