68887161 has 48 divisors (see below), whose sum is σ = 118609920. Its totient is φ = 37709280.

The previous prime is 68887127. The next prime is 68887163. The reversal of 68887161 is 16178886.

It is not a de Polignac number, because 68887161 - 2⁶ = 68887097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68887163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159616 + ... + 160046.

It is an arithmetic number, because the mean of its divisors is an integer number (2471040).

Almost surely, 2^68887161 is an apocalyptic number.

It is an amenable number.

68887161 is a deficient number, since it is larger than the sum of its proper divisors (49722759).

68887161 is a wasteful number, since it uses less digits than its factorization.

68887161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 68887161 is about 8299.8289741416. The cubic root of 68887161 is about 409.9328880832.

The spelling of 68887161 in words is "sixty-eight million, eight hundred eighty-seven thousand, one hundred sixty-one".