86666016 has 24 divisors (see below), whose sum is σ = 227498544. Its totient is φ = 28888640.

The previous prime is 86665993. The next prime is 86666039. The reversal of 86666016 is 61066668.

It is an interprime number because it is at equal distance from previous prime (86665993) and next prime (86666039).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 451290 + ... + 451481.

It is an arithmetic number, because the mean of its divisors is an integer number (9479106).

Almost surely, 2^86666016 is an apocalyptic number.

It is an amenable number.

86666016 is an abundant number, since it is smaller than the sum of its proper divisors (140832528).

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

86666016 is a wasteful number, since it uses less digits than its factorization.

86666016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902784 (or 902776 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 86666016 is about 9309.4584160412. The cubic root of 86666016 is about 442.5370239378.

The spelling of 86666016 in words is "eighty-six million, six hundred sixty-six thousand, sixteen".