851606158 has 16 divisors (see below), whose sum is σ = 1379518560. Its totient is φ = 391949856.

The previous prime is 851606153. The next prime is 851606159.

851606158 is nontrivially palindromic in base 10.

851606158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 851606158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851606153) 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, 36285 + ... + 54952.

It is an arithmetic number, because the mean of its divisors is an integer number (86219910).

Almost surely, 2^851606158 is an apocalyptic number.

851606158 is a deficient number, since it is larger than the sum of its proper divisors (527912402).

851606158 is a wasteful number, since it uses less digits than its factorization.

851606158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91611.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 851606158 is about 29182.2918565352. The cubic root of 851606158 is about 947.8645137133.

The spelling of 851606158 in words is "eight hundred fifty-one million, six hundred six thousand, one hundred fifty-eight".