16244588544261 has 48 divisors (see below), whose sum is σ = 27489253805568. Its totient is φ = 8437811407200.

The previous prime is 16244588544251. The next prime is 16244588544263.

16244588544261 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 16244588544261 - 2¹³ = 16244588536069 is a prime.

It is a super-2 number, since 2×16244588544261² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16244588544195 and 16244588544204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16244588544263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14147616 + ... + 15252678.

It is an arithmetic number, because the mean of its divisors is an integer number (572692787616).

Almost surely, 2^{16244588544261} is an apocalyptic number.

16244588544261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16244588544261 is a deficient number, since it is larger than the sum of its proper divisors (11244665261307).

16244588544261 is a wasteful number, since it uses less digits than its factorization.

16244588544261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114182 (or 1114175 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 60.

The spelling of 16244588544261 in words is "sixteen trillion, two hundred forty-four billion, five hundred eighty-eight million, five hundred forty-four thousand, two hundred sixty-one".