164647746806828 has 12 divisors (see below), whose sum is σ = 288137884552392. Its totient is φ = 82322636934720.

The previous prime is 164647746806821. The next prime is 164647746806891. The reversal of 164647746806828 is 828608647746461.

It is a happy number.

It is a hoax number, since the sum of its digits (77) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (164647746806821) by changing a digit.

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, 308817533 + ... + 309350228.

It is an arithmetic number, because the mean of its divisors is an integer number (24011490379366).

Almost surely, 2^{164647746806828} is an apocalyptic number.

It is an amenable number.

164647746806828 is a deficient number, since it is larger than the sum of its proper divisors (123490137745564).

164647746806828 is a wasteful number, since it uses less digits than its factorization.

164647746806828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618234352 (or 618234350 counting only the distinct ones).

The product of its (nonzero) digits is 4161798144, while the sum is 77.

The spelling of 164647746806828 in words is "one hundred sixty-four trillion, six hundred forty-seven billion, seven hundred forty-six million, eight hundred six thousand, eight hundred twenty-eight".