16144744579 has 16 divisors (see below), whose sum is σ = 16641660672. Its totient is φ = 15657177888.

The previous prime is 16144744573. The next prime is 16144744631. The reversal of 16144744579 is 97544744161.

It is a cyclic number.

It is not a de Polignac number, because 16144744579 - 2⁹ = 16144744067 is a prime.

It is a super-2 number, since 2×16144744579² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16144744573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187112 + ... + 1200634.

It is an arithmetic number, because the mean of its divisors is an integer number (1040103792).

Almost surely, 2^16144744579 is an apocalyptic number.

16144744579 is a deficient number, since it is larger than the sum of its proper divisors (496916093).

16144744579 is a wasteful number, since it uses less digits than its factorization.

16144744579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866.

The product of its digits is 3386880, while the sum is 52.

The spelling of 16144744579 in words is "sixteen billion, one hundred forty-four million, seven hundred forty-four thousand, five hundred seventy-nine".