16044639272493 has 8 divisors (see below), whose sum is σ = 23038456391328. Its totient is φ = 9873624167664.

The previous prime is 16044639272461. The next prime is 16044639272591. The reversal of 16044639272493 is 39427293644061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16044639272493 - 2⁵ = 16044639272461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16044639272993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205700503455 + ... + 205700503532.

It is an arithmetic number, because the mean of its divisors is an integer number (2879807048916).

Almost surely, 2^{16044639272493} is an apocalyptic number.

16044639272493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16044639272493 is a deficient number, since it is larger than the sum of its proper divisors (6993817118835).

16044639272493 is a wasteful number, since it uses less digits than its factorization.

16044639272493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411401007003.

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 16044639272493 in words is "sixteen trillion, forty-four billion, six hundred thirty-nine million, two hundred seventy-two thousand, four hundred ninety-three".