16612820115487 has 2 divisors, whose sum is σ = 16612820115488. Its totient is φ = 16612820115486.

The previous prime is 16612820115467. The next prime is 16612820115497. The reversal of 16612820115487 is 78451102821661.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16612820115487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16612820115467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8306410057743 + 8306410057744.

It is an arithmetic number, because the mean of its divisors is an integer number (8306410057744).

Almost surely, 2^{16612820115487} is an apocalyptic number.

16612820115487 is a deficient number, since it is larger than the sum of its proper divisors (1).

16612820115487 is an equidigital number, since it uses as much as digits as its factorization.

16612820115487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 16612820115487 in words is "sixteen trillion, six hundred twelve billion, eight hundred twenty million, one hundred fifteen thousand, four hundred eighty-seven".