16472221475145 has 32 divisors (see below), whose sum is σ = 26459169789312. Its totient is φ = 8750649065472.

The previous prime is 16472221475137. The next prime is 16472221475173. The reversal of 16472221475145 is 54157412227461.

It is not a de Polignac number, because 16472221475145 - 2³ = 16472221475137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116091814 + ... + 116233616.

It is an arithmetic number, because the mean of its divisors is an integer number (826849055916).

Almost surely, 2^{16472221475145} is an apocalyptic number.

16472221475145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16472221475145 is a deficient number, since it is larger than the sum of its proper divisors (9986948314167).

16472221475145 is a wasteful number, since it uses less digits than its factorization.

16472221475145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172201.

The product of its digits is 3763200, while the sum is 51.

The spelling of 16472221475145 in words is "sixteen trillion, four hundred seventy-two billion, two hundred twenty-one million, four hundred seventy-five thousand, one hundred forty-five".