16473477121 has 4 divisors (see below), whose sum is σ = 16486860544. Its totient is φ = 16460093700.

The previous prime is 16473477077. The next prime is 16473477127. The reversal of 16473477121 is 12177437461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16473477121 - 2⁹ = 16473476609 is a prime.

It is a super-2 number, since 2×16473477121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16473477127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689865 + ... + 6692326.

It is an arithmetic number, because the mean of its divisors is an integer number (4121715136).

Almost surely, 2^16473477121 is an apocalyptic number.

It is an amenable number.

16473477121 is a deficient number, since it is larger than the sum of its proper divisors (13383423).

16473477121 is a wasteful number, since it uses less digits than its factorization.

16473477121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13383422.

The product of its digits is 197568, while the sum is 43.

The spelling of 16473477121 in words is "sixteen billion, four hundred seventy-three million, four hundred seventy-seven thousand, one hundred twenty-one".