168066039 has 8 divisors (see below), whose sum is σ = 235882240. Its totient is φ = 106146936.

The previous prime is 168066023. The next prime is 168066053. The reversal of 168066039 is 930660861.

It is a happy number.

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

It is not a de Polignac number, because 168066039 - 2⁴ = 168066023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168065988 and 168066006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168066079) 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, 1474207 + ... + 1474320.

It is an arithmetic number, because the mean of its divisors is an integer number (29485280).

Almost surely, 2^168066039 is an apocalyptic number.

168066039 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

168066039 is a deficient number, since it is larger than the sum of its proper divisors (67816201).

168066039 is a wasteful number, since it uses less digits than its factorization.

168066039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948549.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 168066039 is about 12964.0286562473. The cubic root of 168066039 is about 551.8571260404.

The spelling of 168066039 in words is "one hundred sixty-eight million, sixty-six thousand, thirty-nine".