16416256438 has 16 divisors (see below), whose sum is σ = 25123275936. Its totient is φ = 8042855040.

The previous prime is 16416256421. The next prime is 16416256457. The reversal of 16416256438 is 83465261461.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 223731 + ... + 287902.

It is an arithmetic number, because the mean of its divisors is an integer number (1570204746).

Almost surely, 2^16416256438 is an apocalyptic number.

16416256438 is a deficient number, since it is larger than the sum of its proper divisors (8707019498).

16416256438 is a wasteful number, since it uses less digits than its factorization.

16416256438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511959.

The product of its digits is 829440, while the sum is 46.

The spelling of 16416256438 in words is "sixteen billion, four hundred sixteen million, two hundred fifty-six thousand, four hundred thirty-eight".