16451662272312 has 64 divisors (see below), whose sum is σ = 42011976890880. Its totient is φ = 5366220890112.

The previous prime is 16451662272289. The next prime is 16451662272337. The reversal of 16451662272312 is 21327226615461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4799928 + ... + 7479480.

It is an arithmetic number, because the mean of its divisors is an integer number (656437138920).

Almost surely, 2^{16451662272312} is an apocalyptic number.

16451662272312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16451662272312 is an abundant number, since it is smaller than the sum of its proper divisors (25560314618568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16451662272312 is a wasteful number, since it uses less digits than its factorization.

16451662272312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685052 (or 2685048 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

Adding to 16451662272312 its reverse (21327226615461), we get a palindrome (37778888887773).

The spelling of 16451662272312 in words is "sixteen trillion, four hundred fifty-one billion, six hundred sixty-two million, two hundred seventy-two thousand, three hundred twelve".