16244002326520 has 32 divisors (see below), whose sum is σ = 36884317219200. Its totient is φ = 6437989911168.

The previous prime is 16244002326437. The next prime is 16244002326521. The reversal of 16244002326520 is 2562320044261.

It is a super-2 number, since 2×16244002326520² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16244002326520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16244002326521) 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, 1862839944 + ... + 1862848663.

It is an arithmetic number, because the mean of its divisors is an integer number (1152634913100).

Almost surely, 2^{16244002326520} is an apocalyptic number.

16244002326520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16244002326520 is an abundant number, since it is smaller than the sum of its proper divisors (20640314892680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16244002326520 is a wasteful number, since it uses less digits than its factorization.

16244002326520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725688727 (or 3725688723 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 16244002326520 in words is "sixteen trillion, two hundred forty-four billion, two million, three hundred twenty-six thousand, five hundred twenty".