168072061 has 8 divisors (see below), whose sum is σ = 173266560. Its totient is φ = 162955872.

The previous prime is 168072059. The next prime is 168072077. The reversal of 168072061 is 160270861.

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

It is a cyclic number.

It is not a de Polignac number, because 168072061 - 2¹ = 168072059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168079061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15205 + ... + 23818.

It is an arithmetic number, because the mean of its divisors is an integer number (21658320).

Almost surely, 2^168072061 is an apocalyptic number.

It is an amenable number.

168072061 is a deficient number, since it is larger than the sum of its proper divisors (5194499).

168072061 is an equidigital number, since it uses as much as digits as its factorization.

168072061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39155.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 168072061 is about 12964.2609122156. The cubic root of 168072061 is about 551.8637171874.

The spelling of 168072061 in words is "one hundred sixty-eight million, seventy-two thousand, sixty-one".