86551066 has 16 divisors (see below), whose sum is σ = 152384256. Its totient is φ = 36090576.

The previous prime is 86551033. The next prime is 86551079. The reversal of 86551066 is 66015568.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 7 ways as a sum of consecutive naturals, for example, 83026 + ... + 84061.

It is an arithmetic number, because the mean of its divisors is an integer number (9524016).

Almost surely, 2^86551066 is an apocalyptic number.

86551066 is a deficient number, since it is larger than the sum of its proper divisors (65833190).

86551066 is a wasteful number, since it uses less digits than its factorization.

86551066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167133.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 86551066 is about 9303.2825389752. The cubic root of 86551066 is about 442.3412834763.

The spelling of 86551066 in words is "eighty-six million, five hundred fifty-one thousand, sixty-six".