86665066 has 8 divisors (see below), whose sum is σ = 130096800. Its totient is φ = 43299468.

The previous prime is 86665027. The next prime is 86665069. The reversal of 86665066 is 66056668.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (86665069) 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, 13116 + ... + 18583.

It is an arithmetic number, because the mean of its divisors is an integer number (16262100).

Almost surely, 2^86665066 is an apocalyptic number.

86665066 is a deficient number, since it is larger than the sum of its proper divisors (43431734).

86665066 is a wasteful number, since it uses less digits than its factorization.

86665066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33068.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 86665066 is about 9309.4073925250. The cubic root of 86665066 is about 442.5354069575.

The spelling of 86665066 in words is "eighty-six million, six hundred sixty-five thousand, sixty-six".