168333947899 has 8 divisors (see below), whose sum is σ = 184355302320. Its totient is φ = 152751534816.

The previous prime is 168333947879. The next prime is 168333947909. The reversal of 168333947899 is 998749333861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168333947899 - 2¹³ = 168333939707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168333947869) 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 7 ways as a sum of consecutive naturals, for example, 109734532 + ... + 109736065.

It is an arithmetic number, because the mean of its divisors is an integer number (23044412790).

Almost surely, 2^168333947899 is an apocalyptic number.

168333947899 is a deficient number, since it is larger than the sum of its proper divisors (16021354421).

168333947899 is a wasteful number, since it uses less digits than its factorization.

168333947899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219470669.

The product of its digits is 211631616, while the sum is 70.

The spelling of 168333947899 in words is "one hundred sixty-eight billion, three hundred thirty-three million, nine hundred forty-seven thousand, eight hundred ninety-nine".