168522036 has 24 divisors (see below), whose sum is σ = 393536640. Its totient is φ = 56128512.

The previous prime is 168522023. The next prime is 168522043. The reversal of 168522036 is 630225861.

It is a junction number, because it is equal to n+sod(n) for n = 168521988 and 168522006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11925 + ... + 21891.

It is an arithmetic number, because the mean of its divisors is an integer number (16397360).

Almost surely, 2^168522036 is an apocalyptic number.

It is an amenable number.

168522036 is an abundant number, since it is smaller than the sum of its proper divisors (225014604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168522036 is a wasteful number, since it uses less digits than its factorization.

168522036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 168522036 is about 12981.6037530037. The cubic root of 168522036 is about 552.3557751623.

Adding to 168522036 its reverse (630225861), we get a palindrome (798747897).

The spelling of 168522036 in words is "one hundred sixty-eight million, five hundred twenty-two thousand, thirty-six".