86166530 has 8 divisors (see below), whose sum is σ = 155099772. Its totient is φ = 34466608.

The previous prime is 86166473. The next prime is 86166547. The reversal of 86166530 is 3566168.

It can be written as a sum of positive squares in 2 ways, for example, as 78978769 + 7187761 = 8887^2 + 2681^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4308317 + ... + 4308336.

Almost surely, 2^86166530 is an apocalyptic number.

86166530 is a deficient number, since it is larger than the sum of its proper divisors (68933242).

86166530 is a wasteful number, since it uses less digits than its factorization.

86166530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616660.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 86166530 is about 9282.5928489835. The cubic root of 86166530 is about 441.6852211658.

The spelling of 86166530 in words is "eighty-six million, one hundred sixty-six thousand, five hundred thirty".