16432444774412 has 6 divisors (see below), whose sum is σ = 28756778355228. Its totient is φ = 8216222387204.

The previous prime is 16432444774409. The next prime is 16432444774463. The reversal of 16432444774412 is 21447744423461.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2054055596798 + ... + 2054055596805.

It is an arithmetic number, because the mean of its divisors is an integer number (4792796392538).

Almost surely, 2^{16432444774412} is an apocalyptic number.

It is an amenable number.

16432444774412 is a deficient number, since it is larger than the sum of its proper divisors (12324333580816).

16432444774412 is a wasteful number, since it uses less digits than its factorization.

16432444774412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108111193607 (or 4108111193605 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 53.

The spelling of 16432444774412 in words is "sixteen trillion, four hundred thirty-two billion, four hundred forty-four million, seven hundred seventy-four thousand, four hundred twelve".