85172016 has 40 divisors (see below), whose sum is σ = 220436784. Its totient is φ = 28337920.

The previous prime is 85172011. The next prime is 85172063. The reversal of 85172016 is 61027158.

It is not an unprimeable number, because it can be changed into a prime (85172011) by changing a digit.

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, 31186 + ... + 33806.

Almost surely, 2^85172016 is an apocalyptic number.

It is an amenable number.

85172016 is an abundant number, since it is smaller than the sum of its proper divisors (135264768).

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

85172016 is a wasteful number, since it uses less digits than its factorization.

85172016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 85172016 is about 9228.8686197172. The cubic root of 85172016 is about 439.9793654235.

The spelling of 85172016 in words is "eighty-five million, one hundred seventy-two thousand, sixteen".