16451402071222 has 16 divisors (see below), whose sum is σ = 25117662638592. Its totient is φ = 8080130419200.

The previous prime is 16451402071213. The next prime is 16451402071259. The reversal of 16451402071222 is 22217020415461.

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, 320614443 + ... + 320665750.

It is an arithmetic number, because the mean of its divisors is an integer number (1569853914912).

Almost surely, 2^{16451402071222} is an apocalyptic number.

16451402071222 is a deficient number, since it is larger than the sum of its proper divisors (8666260567370).

16451402071222 is a wasteful number, since it uses less digits than its factorization.

16451402071222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641280423.

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 16451402071222 its reverse (22217020415461), we get a palindrome (38668422486683).

The spelling of 16451402071222 in words is "sixteen trillion, four hundred fifty-one billion, four hundred two million, seventy-one thousand, two hundred twenty-two".