68852161 has 16 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 57093120.

The previous prime is 68852137. The next prime is 68852167. The reversal of 68852161 is 16125886.

It is not a de Polignac number, because 68852161 - 2²³ = 60463553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68852161.

It is not an unprimeable number, because it can be changed into a prime (68852167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35505 + ... + 37393.

It is an arithmetic number, because the mean of its divisors is an integer number (5080320).

Almost surely, 2^68852161 is an apocalyptic number.

It is an amenable number.

68852161 is a deficient number, since it is larger than the sum of its proper divisors (12432959).

68852161 is a wasteful number, since it uses less digits than its factorization.

68852161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 23040, while the sum is 37.

The square root of 68852161 is about 8297.7202290750. The cubic root of 68852161 is about 409.8634504625.

The spelling of 68852161 in words is "sixty-eight million, eight hundred fifty-two thousand, one hundred sixty-one".