16103972768 has 24 divisors (see below), whose sum is σ = 34143520068. Its totient is φ = 7432602624.

The previous prime is 16103972761. The next prime is 16103972771. The reversal of 16103972768 is 86727930161.

It can be written as a sum of positive squares in 2 ways, for example, as 12953171344 + 3150801424 = 113812^2 + 56132^2 .

It is not an unprimeable number, because it can be changed into a prime (16103972761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19355321 + ... + 19356152.

Almost surely, 2^16103972768 is an apocalyptic number.

It is an amenable number.

16103972768 is an abundant number, since it is smaller than the sum of its proper divisors (18039547300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16103972768 is a wasteful number, since it uses less digits than its factorization.

16103972768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38711496 (or 38711488 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 16103972768 in words is "sixteen billion, one hundred three million, nine hundred seventy-two thousand, seven hundred sixty-eight".