86436166 has 4 divisors (see below), whose sum is σ = 129654252. Its totient is φ = 43218082.

The previous prime is 86436137. The next prime is 86436179. The reversal of 86436166 is 66163468.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 21609040 + ... + 21609043.

It is an arithmetic number, because the mean of its divisors is an integer number (32413563).

Almost surely, 2^86436166 is an apocalyptic number.

86436166 is a deficient number, since it is larger than the sum of its proper divisors (43218086).

86436166 is a wasteful number, since it uses less digits than its factorization.

86436166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43218085.

The product of its digits is 124416, while the sum is 40.

The square root of 86436166 is about 9297.1052484093. The cubic root of 86436166 is about 442.1454548818.

The spelling of 86436166 in words is "eighty-six million, four hundred thirty-six thousand, one hundred sixty-six".