164140351201 has 4 divisors (see below), whose sum is σ = 165984624900. Its totient is φ = 162296077504.

The previous prime is 164140351157. The next prime is 164140351231. The reversal of 164140351201 is 102153041461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102153041461 = 43 ⋅2375652127.

It can be written as a sum of positive squares in 2 ways, for example, as 53701110225 + 110439240976 = 231735^2 + 332324^2 .

It is a cyclic number.

It is not a de Polignac number, because 164140351201 - 2¹³ = 164140343009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164140351201.

It is not an unprimeable number, because it can be changed into a prime (164140351231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922136716 + ... + 922136893.

It is an arithmetic number, because the mean of its divisors is an integer number (41496156225).

Almost surely, 2^164140351201 is an apocalyptic number.

It is an amenable number.

164140351201 is a deficient number, since it is larger than the sum of its proper divisors (1844273699).

164140351201 is an equidigital number, since it uses as much as digits as its factorization.

164140351201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844273698.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 164140351201 its reverse (102153041461), we get a palindrome (266293392662).

The spelling of 164140351201 in words is "one hundred sixty-four billion, one hundred forty million, three hundred fifty-one thousand, two hundred one".