16344431146424 has 8 divisors (see below), whose sum is σ = 30645808399560. Its totient is φ = 8172215573208.

The previous prime is 16344431146391. The next prime is 16344431146429. The reversal of 16344431146424 is 42464113444361.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×16344431146424³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16344431146429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021526946644 + ... + 1021526946659.

It is an arithmetic number, because the mean of its divisors is an integer number (3830726049945).

Almost surely, 2^{16344431146424} is an apocalyptic number.

It is an amenable number.

16344431146424 is a deficient number, since it is larger than the sum of its proper divisors (14301377253136).

16344431146424 is a wasteful number, since it uses less digits than its factorization.

16344431146424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043053893309 (or 2043053893305 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 47.

The spelling of 16344431146424 in words is "sixteen trillion, three hundred forty-four billion, four hundred thirty-one million, one hundred forty-six thousand, four hundred twenty-four".