164249865356 has 12 divisors (see below), whose sum is σ = 287450173920. Its totient is φ = 82121244240.

The previous prime is 164249865317. The next prime is 164249865449. The reversal of 164249865356 is 653568942461.

It is a junction number, because it is equal to n+sod(n) for n = 164249865295 and 164249865304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820676 + ... + 1001003.

It is an arithmetic number, because the mean of its divisors is an integer number (23954181160).

Almost surely, 2^164249865356 is an apocalyptic number.

It is an amenable number.

164249865356 is a deficient number, since it is larger than the sum of its proper divisors (123200308564).

164249865356 is a wasteful number, since it uses less digits than its factorization.

164249865356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844224 (or 1844222 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 59.

The spelling of 164249865356 in words is "one hundred sixty-four billion, two hundred forty-nine million, eight hundred sixty-five thousand, three hundred fifty-six".