85670164 has 12 divisors (see below), whose sum is σ = 157813600. Its totient is φ = 40580568.

The previous prime is 85670161. The next prime is 85670173. The reversal of 85670164 is 46107658.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85670161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563544 + ... + 563695.

Almost surely, 2^85670164 is an apocalyptic number.

It is an amenable number.

85670164 is a deficient number, since it is larger than the sum of its proper divisors (72143436).

85670164 is a wasteful number, since it uses less digits than its factorization.

85670164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127262 (or 1127260 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 85670164 is about 9255.8178460901. The cubic root of 85670164 is about 440.8354718310.

The spelling of 85670164 in words is "eighty-five million, six hundred seventy thousand, one hundred sixty-four".