168016008976 has 20 divisors (see below), whose sum is σ = 325647823500. Its totient is φ = 83977860992.

The previous prime is 168016008971. The next prime is 168016009003. The reversal of 168016008976 is 679800610861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45572002576 + 122444006400 = 213476^2 + 349920^2 .

It is not an unprimeable number, because it can be changed into a prime (168016008971) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1837951 + ... + 1927198.

It is an arithmetic number, because the mean of its divisors is an integer number (16282391175).

Almost surely, 2^168016008976 is an apocalyptic number.

168016008976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

168016008976 is a deficient number, since it is larger than the sum of its proper divisors (157631814524).

168016008976 is a wasteful number, since it uses less digits than its factorization.

168016008976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767946 (or 3767940 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 168016008976 in words is "one hundred sixty-eight billion, sixteen million, eight thousand, nine hundred seventy-six".