168246040 has 16 divisors (see below), whose sum is σ = 378553680. Its totient is φ = 67298400.

The previous prime is 168246031. The next prime is 168246049. The reversal of 168246040 is 40642861.

It is an interprime number because it is at equal distance from previous prime (168246031) and next prime (168246049).

It is a junction number, because it is equal to n+sod(n) for n = 168245993 and 168246011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168246049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103036 + ... + 2103115.

It is an arithmetic number, because the mean of its divisors is an integer number (23659605).

Almost surely, 2^168246040 is an apocalyptic number.

168246040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168246040 is an abundant number, since it is smaller than the sum of its proper divisors (210307640).

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

168246040 is a wasteful number, since it uses less digits than its factorization.

168246040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206162 (or 4206158 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 168246040 is about 12970.9691233924. The cubic root of 168246040 is about 552.0540712278.

The spelling of 168246040 in words is "one hundred sixty-eight million, two hundred forty-six thousand, forty".