85604066 has 16 divisors (see below), whose sum is σ = 130100256. Its totient is φ = 42240576.

The previous prime is 85604059. The next prime is 85604081. The reversal of 85604066 is 66040658.

It is a super-2 number, since 2×85604066² = 14656112231464712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71525 + ... + 72711.

It is an arithmetic number, because the mean of its divisors is an integer number (8131266).

Almost surely, 2^85604066 is an apocalyptic number.

85604066 is a deficient number, since it is larger than the sum of its proper divisors (44496190).

85604066 is a wasteful number, since it uses less digits than its factorization.

85604066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 85604066 is about 9252.2465380036. The cubic root of 85604066 is about 440.7220685228.

The spelling of 85604066 in words is "eighty-five million, six hundred four thousand, sixty-six".