16442371296968 has 8 divisors (see below), whose sum is σ = 30829446181830. Its totient is φ = 8221185648480.

The previous prime is 16442371296931. The next prime is 16442371296983. The reversal of 16442371296968 is 86969217324461.

It can be written as a sum of positive squares in only one way, i.e., 13516225779364 + 2926145517604 = 3676442^2 + 1710598^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×16442371296968³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442371296898 and 16442371296907.

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, 1027648206053 + ... + 1027648206068.

Almost surely, 2^{16442371296968} is an apocalyptic number.

It is an amenable number.

16442371296968 is a deficient number, since it is larger than the sum of its proper divisors (14387074884862).

16442371296968 is a wasteful number, since it uses less digits than its factorization.

16442371296968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055296412127 (or 2055296412123 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 68.

The spelling of 16442371296968 in words is "sixteen trillion, four hundred forty-two billion, three hundred seventy-one million, two hundred ninety-six thousand, nine hundred sixty-eight".