16768071975 has 24 divisors (see below), whose sum is σ = 29353991760. Its totient is φ = 8416913920.

The previous prime is 16768071973. The next prime is 16768072021. The reversal of 16768071975 is 57917086761.

It is a happy number.

It is not a de Polignac number, because 16768071975 - 2¹ = 16768071973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16768071973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6574440 + ... + 6576989.

It is an arithmetic number, because the mean of its divisors is an integer number (1223082990).

Almost surely, 2^16768071975 is an apocalyptic number.

16768071975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16768071975 is a deficient number, since it is larger than the sum of its proper divisors (12585919785).

16768071975 is a wasteful number, since it uses less digits than its factorization.

16768071975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151459 (or 13151454 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 57.

The spelling of 16768071975 in words is "sixteen billion, seven hundred sixty-eight million, seventy-one thousand, nine hundred seventy-five".