850161090 has 32 divisors (see below), whose sum is σ = 2074973760. Its totient is φ = 222866624.

The previous prime is 850161089. The next prime is 850161131. The reversal of 850161090 is 90161058.

It is a happy number.

850161090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238389 + ... + 241928.

It is an arithmetic number, because the mean of its divisors is an integer number (64842930).

Almost surely, 2^850161090 is an apocalyptic number.

850161090 is an abundant number, since it is smaller than the sum of its proper divisors (1224812670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

850161090 is a wasteful number, since it uses less digits than its factorization.

850161090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480386.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 850161090 is about 29157.5220140533. The cubic root of 850161090 is about 947.3280747551.

The spelling of 850161090 in words is "eight hundred fifty million, one hundred sixty-one thousand, ninety".