16554226634 has 32 divisors (see below), whose sum is σ = 28796852160. Its totient is φ = 7058016000.

The previous prime is 16554226621. The next prime is 16554226649. The reversal of 16554226634 is 43662245561.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153839 + ... + 238274.

It is an arithmetic number, because the mean of its divisors is an integer number (899901630).

Almost surely, 2^16554226634 is an apocalyptic number.

16554226634 is a deficient number, since it is larger than the sum of its proper divisors (12242625526).

16554226634 is a wasteful number, since it uses less digits than its factorization.

16554226634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392246.

The product of its digits is 1036800, while the sum is 44.

The spelling of 16554226634 in words is "sixteen billion, five hundred fifty-four million, two hundred twenty-six thousand, six hundred thirty-four".