164305625663 has 8 divisors (see below), whose sum is σ = 169682518656. Its totient is φ = 158933527200.

The previous prime is 164305625639. The next prime is 164305625669. The reversal of 164305625663 is 366526503461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164305625663 - 2³⁶ = 95586148927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164305625669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128908 + ... + 1266113.

It is an arithmetic number, because the mean of its divisors is an integer number (21210314832).

Almost surely, 2^164305625663 is an apocalyptic number.

164305625663 is a deficient number, since it is larger than the sum of its proper divisors (5376892993).

164305625663 is a wasteful number, since it uses less digits than its factorization.

164305625663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397265.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 164305625663 in words is "one hundred sixty-four billion, three hundred five million, six hundred twenty-five thousand, six hundred sixty-three".