16440671453732 has 12 divisors (see below), whose sum is σ = 28786059266076. Its totient is φ = 8216083092000.

The previous prime is 16440671453693. The next prime is 16440671453737. The reversal of 16440671453732 is 23735417604461.

It can be written as a sum of positive squares in 2 ways, for example, as 11631878586916 + 4808792866816 = 3410554^2 + 2192896^2 .

It is a super-3 number, since 3×16440671453732³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16440671453737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063150019 + ... + 1063165482.

It is an arithmetic number, because the mean of its divisors is an integer number (2398838272173).

Almost surely, 2^{16440671453732} is an apocalyptic number.

It is an amenable number.

16440671453732 is a deficient number, since it is larger than the sum of its proper divisors (12345387812344).

16440671453732 is a wasteful number, since it uses less digits than its factorization.

16440671453732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126317438 (or 2126317436 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 16440671453732 in words is "sixteen trillion, four hundred forty billion, six hundred seventy-one million, four hundred fifty-three thousand, seven hundred thirty-two".