805165461 has 8 divisors (see below), whose sum is σ = 1192837760. Its totient is φ = 536776956.

The previous prime is 805165433. The next prime is 805165463. The reversal of 805165461 is 164561508.

805165461 is a `hidden beast` number, since 80 + 516 + 5 + 4 + 61 = 666.

It is not a de Polignac number, because 805165461 - 2⁵ = 805165429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805165463) 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, 14910445 + ... + 14910498.

It is an arithmetic number, because the mean of its divisors is an integer number (149104720).

Almost surely, 2^805165461 is an apocalyptic number.

It is an amenable number.

805165461 is a deficient number, since it is larger than the sum of its proper divisors (387672299).

805165461 is a wasteful number, since it uses less digits than its factorization.

805165461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29820952 (or 29820946 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 805165461 is about 28375.4376353916. The cubic root of 805165461 is about 930.3114773535.

The spelling of 805165461 in words is "eight hundred five million, one hundred sixty-five thousand, four hundred sixty-one".