168304074499 has 8 divisors (see below), whose sum is σ = 183644044992. Its totient is φ = 152970704040.

The previous prime is 168304074479. The next prime is 168304074539. The reversal of 168304074499 is 994470403861.

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

It is not a de Polignac number, because 168304074499 - 2⁵ = 168304074467 is a prime.

It is a super-2 number, since 2×168304074499² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168304074409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596609 + ... + 1698754.

It is an arithmetic number, because the mean of its divisors is an integer number (22955505624).

Almost surely, 2^168304074499 is an apocalyptic number.

168304074499 is a deficient number, since it is larger than the sum of its proper divisors (15339970493).

168304074499 is a wasteful number, since it uses less digits than its factorization.

168304074499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300017.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 168304074499 in words is "one hundred sixty-eight billion, three hundred four million, seventy-four thousand, four hundred ninety-nine".