85134652170 has 64 divisors (see below), whose sum is σ = 204886955520. Its totient is φ = 22640025600.

The previous prime is 85134652157. The next prime is 85134652199. The reversal of 85134652170 is 7125643158.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19977840 + ... + 19982100.

It is an arithmetic number, because the mean of its divisors is an integer number (3201358680).

Almost surely, 2^85134652170 is an apocalyptic number.

85134652170 is an abundant number, since it is smaller than the sum of its proper divisors (119752303350).

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

85134652170 is a wasteful number, since it uses less digits than its factorization.

85134652170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 201600, while the sum is 42.

It can be divided in two parts, 85 and 134652170, that added together give a triangular number (134652255 = T₁₆₄₁₀).

The spelling of 85134652170 in words is "eighty-five billion, one hundred thirty-four million, six hundred fifty-two thousand, one hundred seventy".