85351618 has 16 divisors (see below), whose sum is σ = 144172800. Its totient is φ = 37544400.

The previous prime is 85351613. The next prime is 85351619. The reversal of 85351618 is 81615358.

It is a super-3 number, since 3×85351618³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (85351613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61893 + ... + 63256.

It is an arithmetic number, because the mean of its divisors is an integer number (9010800).

Almost surely, 2^85351618 is an apocalyptic number.

85351618 is a deficient number, since it is larger than the sum of its proper divisors (58821182).

85351618 is a wasteful number, since it uses less digits than its factorization.

85351618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125193.

The product of its digits is 28800, while the sum is 37.

The square root of 85351618 is about 9238.5939406384. The cubic root of 85351618 is about 440.2884093981.

It can be divided in two parts, 8535 and 1618, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 85351618 in words is "eighty-five million, three hundred fifty-one thousand, six hundred eighteen".