164555565351 has 32 divisors (see below), whose sum is σ = 233422233600. Its totient is φ = 103109848128.

The previous prime is 164555565337. The next prime is 164555565353. The reversal of 164555565351 is 153565555461.

It is not a de Polignac number, because 164555565351 - 2⁹ = 164555564839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164555565294 and 164555565303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164555565353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2581795 + ... + 2644763.

It is an arithmetic number, because the mean of its divisors is an integer number (7294444800).

Almost surely, 2^164555565351 is an apocalyptic number.

164555565351 is a deficient number, since it is larger than the sum of its proper divisors (68866668249).

164555565351 is an equidigital number, since it uses as much as digits as its factorization.

164555565351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63156 (or 63118 counting only the distinct ones).

The product of its digits is 6750000, while the sum is 51.

The spelling of 164555565351 in words is "one hundred sixty-four billion, five hundred fifty-five million, five hundred sixty-five thousand, three hundred fifty-one".