16554423313606 has 4 divisors (see below), whose sum is σ = 24831634970412. Its totient is φ = 8277211656802.

The previous prime is 16554423313537. The next prime is 16554423313643. The reversal of 16554423313606 is 60631332445561.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16554423313606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4138605828400 + ... + 4138605828403.

It is an arithmetic number, because the mean of its divisors is an integer number (6207908742603).

Almost surely, 2^{16554423313606} is an apocalyptic number.

16554423313606 is a deficient number, since it is larger than the sum of its proper divisors (8277211656806).

16554423313606 is an equidigital number, since it uses as much as digits as its factorization.

16554423313606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277211656805.

The product of its (nonzero) digits is 4665600, while the sum is 49.

The spelling of 16554423313606 in words is "sixteen trillion, five hundred fifty-four billion, four hundred twenty-three million, three hundred thirteen thousand, six hundred six".