16554426602063 has 16 divisors (see below), whose sum is σ = 19115012966400. Its totient is φ = 14043019141536.

The previous prime is 16554426602033. The next prime is 16554426602081. The reversal of 16554426602063 is 36020662445561.

It is not a de Polignac number, because 16554426602063 - 2⁸ = 16554426601807 is a prime.

It is a super-2 number, since 2×16554426602063² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16554426602033) 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 in 15 ways as a sum of consecutive naturals, for example, 10150463 + ... + 11667936.

It is an arithmetic number, because the mean of its divisors is an integer number (1194688310400).

Almost surely, 2^{16554426602063} is an apocalyptic number.

16554426602063 is a deficient number, since it is larger than the sum of its proper divisors (2560586364337).

16554426602063 is a wasteful number, since it uses less digits than its factorization.

16554426602063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819526.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 16554426602063 in words is "sixteen trillion, five hundred fifty-four billion, four hundred twenty-six million, six hundred two thousand, sixty-three".