16446117343772 has 24 divisors (see below), whose sum is σ = 30730459917696. Its totient is φ = 7682614975728.

The previous prime is 16446117343697. The next prime is 16446117343801. The reversal of 16446117343772 is 27734371164461.

It is a congruent 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, 2078625638 + ... + 2078633549.

It is an arithmetic number, because the mean of its divisors is an integer number (1280435829904).

Almost surely, 2^{16446117343772} is an apocalyptic number.

It is an amenable number.

16446117343772 is a deficient number, since it is larger than the sum of its proper divisors (14284342573924).

16446117343772 is a wasteful number, since it uses less digits than its factorization.

16446117343772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4157259257 (or 4157259255 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 56.

The spelling of 16446117343772 in words is "sixteen trillion, four hundred forty-six billion, one hundred seventeen million, three hundred forty-three thousand, seven hundred seventy-two".