818645160 has 32 divisors (see below), whose sum is σ = 2455935840. Its totient is φ = 218305344.

The previous prime is 818645159. The next prime is 818645167. The reversal of 818645160 is 61546818.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (818645167) 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, 3410902 + ... + 3411141.

It is an arithmetic number, because the mean of its divisors is an integer number (76747995).

Almost surely, 2^818645160 is an apocalyptic number.

It is an amenable number.

818645160 is an abundant number, since it is smaller than the sum of its proper divisors (1637290680).

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

818645160 is a wasteful number, since it uses less digits than its factorization.

818645160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822057 (or 6822053 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 818645160 is about 28611.9758143334. The cubic root of 818645160 is about 935.4743834661.

The spelling of 818645160 in words is "eight hundred eighteen million, six hundred forty-five thousand, one hundred sixty".