806166136 has 8 divisors (see below), whose sum is σ = 1511561520. Its totient is φ = 403083064.

The previous prime is 806166131. The next prime is 806166161. The reversal of 806166136 is 631661608.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 806166095 and 806166104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806166131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50385376 + ... + 50385391.

It is an arithmetic number, because the mean of its divisors is an integer number (188945190).

Almost surely, 2^806166136 is an apocalyptic number.

It is an amenable number.

806166136 is a deficient number, since it is larger than the sum of its proper divisors (705395384).

806166136 is a wasteful number, since it uses less digits than its factorization.

806166136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100770773 (or 100770769 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 806166136 is about 28393.0649279010. The cubic root of 806166136 is about 930.6967207540.

The spelling of 806166136 in words is "eight hundred six million, one hundred sixty-six thousand, one hundred thirty-six".