164442802949768 has 16 divisors (see below), whose sum is σ = 352377434892480. Its totient is φ = 70475486978448.

The previous prime is 164442802949753. The next prime is 164442802949809. The reversal of 164442802949768 is 867949208244461.

It is a junction number, because it is equal to n+sod(n) for n = 164442802949695 and 164442802949704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468239311996 + ... + 1468239312107.

It is an arithmetic number, because the mean of its divisors is an integer number (22023589680780).

Almost surely, 2^{164442802949768} is an apocalyptic number.

It is an amenable number.

164442802949768 is an abundant number, since it is smaller than the sum of its proper divisors (187934631942712).

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

164442802949768 is a wasteful number, since it uses less digits than its factorization.

164442802949768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936478624116 (or 2936478624112 counting only the distinct ones).

The product of its (nonzero) digits is 1337720832, while the sum is 74.

The spelling of 164442802949768 in words is "one hundred sixty-four trillion, four hundred forty-two billion, eight hundred two million, nine hundred forty-nine thousand, seven hundred sixty-eight".