16551667106226 has 128 divisors (see below), whose sum is σ = 44222540544000. Its totient is φ = 4488587514432.

The previous prime is 16551667106207. The next prime is 16551667106237. The reversal of 16551667106226 is 62260176615561.

16551667106226 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 1 + 6 + 6 + 7 + 1 + 0 + 622 + 6 = 666.

16551667106226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12149116 + ... + 13442631.

It is an arithmetic number, because the mean of its divisors is an integer number (345488598000).

Almost surely, 2^{16551667106226} is an apocalyptic number.

16551667106226 is an abundant number, since it is smaller than the sum of its proper divisors (27670873437774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16551667106226 is a wasteful number, since it uses less digits than its factorization.

16551667106226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25591853 (or 25591847 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 16551667106226 in words is "sixteen trillion, five hundred fifty-one billion, six hundred sixty-seven million, one hundred six thousand, two hundred twenty-six".