164845493836 has 6 divisors (see below), whose sum is σ = 288479614220. Its totient is φ = 82422746916.

The previous prime is 164845493833. The next prime is 164845493843. The reversal of 164845493836 is 638394548461.

It is not an unprimeable number, because it can be changed into a prime (164845493831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20605686726 + ... + 20605686733.

Almost surely, 2^164845493836 is an apocalyptic number.

It is an amenable number.

164845493836 is a deficient number, since it is larger than the sum of its proper divisors (123634120384).

164845493836 is a wasteful number, since it uses less digits than its factorization.

164845493836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41211373463 (or 41211373461 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 61.

The spelling of 164845493836 in words is "one hundred sixty-four billion, eight hundred forty-five million, four hundred ninety-three thousand, eight hundred thirty-six".