168812446 has 16 divisors (see below), whose sum is σ = 276481008. Its totient is φ = 76665600.

The previous prime is 168812443. The next prime is 168812447. The reversal of 168812446 is 644218861.

It is a junction number, because it is equal to n+sod(n) for n = 168812399 and 168812408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168812443) 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, 29326 + ... + 34606.

It is an arithmetic number, because the mean of its divisors is an integer number (17280063).

Almost surely, 2^168812446 is an apocalyptic number.

168812446 is a deficient number, since it is larger than the sum of its proper divisors (107668562).

168812446 is a wasteful number, since it uses less digits than its factorization.

168812446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747.

The product of its digits is 73728, while the sum is 40.

The square root of 168812446 is about 12992.7843821099. The cubic root of 168812446 is about 552.6728802508.

The spelling of 168812446 in words is "one hundred sixty-eight million, eight hundred twelve thousand, four hundred forty-six".