16445552165226 has 16 divisors (see below), whose sum is σ = 36545671478400. Its totient is φ = 5481850721724.

The previous prime is 16445552165183. The next prime is 16445552165239. The reversal of 16445552165226 is 62256125554461.

16445552165226 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 5 + 552 + 1 + 65 + 2 + 26 = 666.

16445552165226 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), and also a Moran number because the ratio is a prime number: 304547262319 = 16445552165226 / (1 + 6 + 4 + 4 + 5 + 5 + 5 + 2 + 1 + 6 + 5 + 2 + 2 + 6).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152273631106 + ... + 152273631213.

It is an arithmetic number, because the mean of its divisors is an integer number (2284104467400).

Almost surely, 2^{16445552165226} is an apocalyptic number.

16445552165226 is an abundant number, since it is smaller than the sum of its proper divisors (20100119313174).

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

16445552165226 is a wasteful number, since it uses less digits than its factorization.

16445552165226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304547262330 (or 304547262324 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 54.

The spelling of 16445552165226 in words is "sixteen trillion, four hundred forty-five billion, five hundred fifty-two million, one hundred sixty-five thousand, two hundred twenty-six".