68587161 has 8 divisors (see below), whose sum is σ = 91564224. Its totient is φ = 45667440.

The previous prime is 68587153. The next prime is 68587201. The reversal of 68587161 is 16178586.

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

It is not a de Polignac number, because 68587161 - 2³ = 68587153 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (68587121) 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, 11461 + ... + 16386.

It is an arithmetic number, because the mean of its divisors is an integer number (11445528).

Almost surely, 2^68587161 is an apocalyptic number.

It is an amenable number.

68587161 is a deficient number, since it is larger than the sum of its proper divisors (22977063).

68587161 is a wasteful number, since it uses less digits than its factorization.

68587161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28671.

The product of its digits is 80640, while the sum is 42.

The square root of 68587161 is about 8281.7365932514. The cubic root of 68587161 is about 409.3369433457.

The spelling of 68587161 in words is "sixty-eight million, five hundred eighty-seven thousand, one hundred sixty-one".