16244025344639 has 16 divisors (see below), whose sum is σ = 16793378887680. Its totient is φ = 15696273350880.

The previous prime is 16244025344627. The next prime is 16244025344663. The reversal of 16244025344639 is 93644352044261.

It is a cyclic number.

It is not a de Polignac number, because 16244025344639 - 2⁸ = 16244025344383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16244025344689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57753542 + ... + 58034124.

It is an arithmetic number, because the mean of its divisors is an integer number (1049586180480).

Almost surely, 2^{16244025344639} is an apocalyptic number.

16244025344639 is a deficient number, since it is larger than the sum of its proper divisors (549353543041).

16244025344639 is a wasteful number, since it uses less digits than its factorization.

16244025344639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283430.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 16244025344639 in words is "sixteen trillion, two hundred forty-four billion, twenty-five million, three hundred forty-four thousand, six hundred thirty-nine".