16654545001651 has 2 divisors, whose sum is σ = 16654545001652. Its totient is φ = 16654545001650.

The previous prime is 16654545001649. The next prime is 16654545001667. The reversal of 16654545001651 is 15610054545661.

It is a weak prime.

It is an emirp because it is prime and its reverse (15610054545661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16654545001651 - 2¹ = 16654545001649 is a prime.

Together with 16654545001649, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 16654545001595 and 16654545001604.

It is not a weakly prime, because it can be changed into another prime (16654545001951) 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, 8327272500825 + 8327272500826.

It is an arithmetic number, because the mean of its divisors is an integer number (8327272500826).

Almost surely, 2^{16654545001651} is an apocalyptic number.

16654545001651 is a deficient number, since it is larger than the sum of its proper divisors (1).

16654545001651 is an equidigital number, since it uses as much as digits as its factorization.

16654545001651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 16654545001651 in words is "sixteen trillion, six hundred fifty-four billion, five hundred forty-five million, one thousand, six hundred fifty-one".