655161043 has 8 divisors (see below), whose sum is σ = 662360256. Its totient is φ = 647976000.

The previous prime is 655160993. The next prime is 655161053. The reversal of 655161043 is 340161556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655161043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655160996 and 655161014.

It is not an unprimeable number, because it can be changed into a prime (655161053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108463 + ... + 114343.

It is an arithmetic number, because the mean of its divisors is an integer number (82795032).

Almost surely, 2^655161043 is an apocalyptic number.

655161043 is a deficient number, since it is larger than the sum of its proper divisors (7199213).

655161043 is a wasteful number, since it uses less digits than its factorization.

655161043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 655161043 is about 25596.1138261260. The cubic root of 655161043 is about 868.5257292626.

The spelling of 655161043 in words is "six hundred fifty-five million, one hundred sixty-one thousand, forty-three".