855164801 has 4 divisors (see below), whose sum is σ = 855666900. Its totient is φ = 854662704.

The previous prime is 855164767. The next prime is 855164837. The reversal of 855164801 is 108461558.

855164801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108461558 = 2 ⋅54230779.

It can be written as a sum of positive squares in 2 ways, for example, as 547513201 + 307651600 = 23399^2 + 17540^2 .

It is a cyclic number.

It is not a de Polignac number, because 855164801 - 2¹⁴ = 855148417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855164861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248486 + ... + 251903.

It is an arithmetic number, because the mean of its divisors is an integer number (213916725).

Almost surely, 2^855164801 is an apocalyptic number.

It is an amenable number.

855164801 is a deficient number, since it is larger than the sum of its proper divisors (502099).

855164801 is a wasteful number, since it uses less digits than its factorization.

855164801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502098.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 855164801 is about 29243.2009362860. The cubic root of 855164801 is about 949.1829728811.

The spelling of 855164801 in words is "eight hundred fifty-five million, one hundred sixty-four thousand, eight hundred one".