908855161 has 8 divisors (see below), whose sum is σ = 934288520. Its totient is φ = 883467648.

The previous prime is 908855153. The next prime is 908855243. The reversal of 908855161 is 161558809.

908855161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 311346025 + 597509136 = 17645^2 + 24444^2 .

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

It is not a de Polignac number, because 908855161 - 2³ = 908855153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (908855141) 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, 30895 + ... + 52651.

It is an arithmetic number, because the mean of its divisors is an integer number (116786065).

Almost surely, 2^908855161 is an apocalyptic number.

It is an amenable number.

908855161 is a deficient number, since it is larger than the sum of its proper divisors (25433359).

908855161 is a wasteful number, since it uses less digits than its factorization.

908855161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923.

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 908855161 is about 30147.2247644787. The cubic root of 908855161 is about 968.6455610144.

The spelling of 908855161 in words is "nine hundred eight million, eight hundred fifty-five thousand, one hundred sixty-one".