86665416 has 16 divisors (see below), whose sum is σ = 216663600. Its totient is φ = 28888464.

The previous prime is 86665387. The next prime is 86665417. The reversal of 86665416 is 61456668.

It is not an unprimeable number, because it can be changed into a prime (86665417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805506 + ... + 1805553.

It is an arithmetic number, because the mean of its divisors is an integer number (13541475).

Almost surely, 2^86665416 is an apocalyptic number.

It is an amenable number.

86665416 is an abundant number, since it is smaller than the sum of its proper divisors (129998184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86665416 is a wasteful number, since it uses less digits than its factorization.

86665416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611068 (or 3611064 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 86665416 is about 9309.4261906951. The cubic root of 86665416 is about 442.5360026885.

The spelling of 86665416 in words is "eighty-six million, six hundred sixty-five thousand, four hundred sixteen".