16744558377 has 16 divisors (see below), whose sum is σ = 22726991808. Its totient is φ = 10963145280.

The previous prime is 16744558351. The next prime is 16744558381. The reversal of 16744558377 is 77385544761.

It is not a de Polignac number, because 16744558377 - 2¹¹ = 16744556329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16744558387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49438 + ... + 189560.

It is an arithmetic number, because the mean of its divisors is an integer number (1420436988).

Almost surely, 2^16744558377 is an apocalyptic number.

It is an amenable number.

16744558377 is a deficient number, since it is larger than the sum of its proper divisors (5982433431).

16744558377 is a wasteful number, since it uses less digits than its factorization.

16744558377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140840.

The product of its digits is 19756800, while the sum is 57.

The spelling of 16744558377 in words is "sixteen billion, seven hundred forty-four million, five hundred fifty-eight thousand, three hundred seventy-seven".