16554471121430 has 16 divisors (see below), whose sum is σ = 32506961475024. Its totient is φ = 6019807680480.

The previous prime is 16554471121427. The next prime is 16554471121501. The reversal of 16554471121430 is 3412117445561.

It is a super-2 number, since 2×16554471121430² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75247595897 + ... + 75247596116.

It is an arithmetic number, because the mean of its divisors is an integer number (2031685092189).

Almost surely, 2^{16554471121430} is an apocalyptic number.

16554471121430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16554471121430 is a deficient number, since it is larger than the sum of its proper divisors (15952490353594).

16554471121430 is a wasteful number, since it uses less digits than its factorization.

16554471121430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150495192031.

The product of its (nonzero) digits is 403200, while the sum is 44.

Adding to 16554471121430 its reverse (3412117445561), we get a palindrome (19966588566991).

The spelling of 16554471121430 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-one million, one hundred twenty-one thousand, four hundred thirty".