164285728588 has 6 divisors (see below), whose sum is σ = 287500025036. Its totient is φ = 82142864292.

The previous prime is 164285728543. The next prime is 164285728589. The reversal of 164285728588 is 885827582461.

It is not an unprimeable number, because it can be changed into a prime (164285728589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20535716070 + ... + 20535716077.

Almost surely, 2^164285728588 is an apocalyptic number.

It is an amenable number.

164285728588 is a deficient number, since it is larger than the sum of its proper divisors (123214296448).

164285728588 is a wasteful number, since it uses less digits than its factorization.

164285728588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41071432151 (or 41071432149 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 64.

The spelling of 164285728588 in words is "one hundred sixty-four billion, two hundred eighty-five million, seven hundred twenty-eight thousand, five hundred eighty-eight".