16771940388 has 72 divisors (see below), whose sum is σ = 50123062080. Its totient is φ = 4626740160.

The previous prime is 16771940369. The next prime is 16771940399. The reversal of 16771940388 is 88304917761.

16771940388 is a `hidden beast` number, since 1 + 6 + 77 + 194 + 0 + 388 = 666.

16771940388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1140198 + ... + 1154813.

It is an arithmetic number, because the mean of its divisors is an integer number (696153640).

Almost surely, 2^16771940388 is an apocalyptic number.

16771940388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16771940388 is an abundant number, since it is smaller than the sum of its proper divisors (33351121692).

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

16771940388 is a wasteful number, since it uses less digits than its factorization.

16771940388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295057 (or 2295052 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 16771940388 in words is "sixteen billion, seven hundred seventy-one million, nine hundred forty thousand, three hundred eighty-eight".