16220268154687 has 2 divisors, whose sum is σ = 16220268154688. Its totient is φ = 16220268154686.

The previous prime is 16220268154639. The next prime is 16220268154723. The reversal of 16220268154687 is 78645186202261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16220268154687 - 2²³ = 16220259766079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16220268154787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8110134077343 + 8110134077344.

It is an arithmetic number, because the mean of its divisors is an integer number (8110134077344).

Almost surely, 2^{16220268154687} is an apocalyptic number.

16220268154687 is a deficient number, since it is larger than the sum of its proper divisors (1).

16220268154687 is an equidigital number, since it uses as much as digits as its factorization.

16220268154687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 16220268154687 in words is "sixteen trillion, two hundred twenty billion, two hundred sixty-eight million, one hundred fifty-four thousand, six hundred eighty-seven".