68161137 has 8 divisors (see below), whose sum is σ = 99143520. Its totient is φ = 41309760.

The previous prime is 68161099. The next prime is 68161153. The reversal of 68161137 is 73116186.

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

It is not a de Polignac number, because 68161137 - 2⁸ = 68160881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2065489 = 68161137 / (6 + 8 + 1 + 6 + 1 + 1 + 3 + 7).

It is a junction number, because it is equal to n+sod(n) for n = 68161098 and 68161107.

It is not an unprimeable number, because it can be changed into a prime (68161187) 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, 1032712 + ... + 1032777.

It is an arithmetic number, because the mean of its divisors is an integer number (12392940).

Almost surely, 2^68161137 is an apocalyptic number.

It is an amenable number.

68161137 is a deficient number, since it is larger than the sum of its proper divisors (30982383).

68161137 is a wasteful number, since it uses less digits than its factorization.

68161137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065503.

The product of its digits is 6048, while the sum is 33.

The square root of 68161137 is about 8255.9758357205. The cubic root of 68161137 is about 408.4876605975.

The spelling of 68161137 in words is "sixty-eight million, one hundred sixty-one thousand, one hundred thirty-seven".