85168406 has 4 divisors (see below), whose sum is σ = 127752612. Its totient is φ = 42584202.

The previous prime is 85168327. The next prime is 85168409. The reversal of 85168406 is 60486158.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85168406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85168409) 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 as a sum of consecutive naturals, namely, 21292100 + ... + 21292103.

It is an arithmetic number, because the mean of its divisors is an integer number (31938153).

Almost surely, 2^85168406 is an apocalyptic number.

85168406 is a deficient number, since it is larger than the sum of its proper divisors (42584206).

85168406 is a wasteful number, since it uses less digits than its factorization.

85168406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42584205.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 85168406 is about 9228.6730357078. The cubic root of 85168406 is about 439.9731491879.

The spelling of 85168406 in words is "eighty-five million, one hundred sixty-eight thousand, four hundred six".