16442134231312 has 10 divisors (see below), whose sum is σ = 31856635073198. Its totient is φ = 8221067115648.

The previous prime is 16442134231301. The next prime is 16442134231373. The reversal of 16442134231312 is 21313243124461.

It can be written as a sum of positive squares in only one way, i.e., 13326471495936 + 3115662735376 = 3650544^2 + 1765124^2 .

It is a super-3 number, since 3×16442134231312³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513816694713 + ... + 513816694744.

Almost surely, 2^{16442134231312} is an apocalyptic number.

It is an amenable number.

16442134231312 is a deficient number, since it is larger than the sum of its proper divisors (15414500841886).

16442134231312 is a wasteful number, since it uses less digits than its factorization.

16442134231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027633389465 (or 1027633389459 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

Adding to 16442134231312 its reverse (21313243124461), we get a palindrome (37755377355773).

The spelling of 16442134231312 in words is "sixteen trillion, four hundred forty-two billion, one hundred thirty-four million, two hundred thirty-one thousand, three hundred twelve".