16950978376 has 16 divisors (see below), whose sum is σ = 31788439740. Its totient is φ = 8474061120.

The previous prime is 16950978361. The next prime is 16950978379. The reversal of 16950978376 is 67387905961.

It can be written as a sum of positive squares in 2 ways, for example, as 16867255876 + 83722500 = 129874^2 + 9150^2 .

It is not an unprimeable number, because it can be changed into a prime (16950978379) 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 3 ways as a sum of consecutive naturals, for example, 127195 + ... + 223786.

Almost surely, 2^16950978376 is an apocalyptic number.

It is an amenable number.

16950978376 is a deficient number, since it is larger than the sum of its proper divisors (14837461364).

16950978376 is a wasteful number, since it uses less digits than its factorization.

16950978376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357024 (or 357020 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 61.

The spelling of 16950978376 in words is "sixteen billion, nine hundred fifty million, nine hundred seventy-eight thousand, three hundred seventy-six".