858816141 has 16 divisors (see below), whose sum is σ = 1152950400. Its totient is φ = 568624320.

The previous prime is 858816107. The next prime is 858816173. The reversal of 858816141 is 141618858.

It is not a de Polignac number, because 858816141 - 2¹¹ = 858814093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 858816093 and 858816102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858816641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460551 + ... + 462411.

It is an arithmetic number, because the mean of its divisors is an integer number (72059400).

Almost surely, 2^858816141 is an apocalyptic number.

It is an amenable number.

858816141 is a deficient number, since it is larger than the sum of its proper divisors (294134259).

858816141 is a wasteful number, since it uses less digits than its factorization.

858816141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836.

The product of its digits is 61440, while the sum is 42.

The square root of 858816141 is about 29305.5650175867. The cubic root of 858816141 is about 950.5319794251.

The spelling of 858816141 in words is "eight hundred fifty-eight million, eight hundred sixteen thousand, one hundred forty-one".