164343240305331 has 16 divisors (see below), whose sum is σ = 219203805182880. Its totient is φ = 109522423779840.

The previous prime is 164343240305327. The next prime is 164343240305333. The reversal of 164343240305331 is 133503042343461.

164343240305331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164343240305331 - 2² = 164343240305327 is a prime.

It is a super-2 number, since 2×164343240305331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164343240305333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110482701 + ... + 111960321.

It is an arithmetic number, because the mean of its divisors is an integer number (13700237823930).

Almost surely, 2^{164343240305331} is an apocalyptic number.

164343240305331 is a deficient number, since it is larger than the sum of its proper divisors (54860564877549).

164343240305331 is a wasteful number, since it uses less digits than its factorization.

164343240305331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491046.

The product of its (nonzero) digits is 933120, while the sum is 42.

Adding to 164343240305331 its reverse (133503042343461), we get a palindrome (297846282648792).

The spelling of 164343240305331 in words is "one hundred sixty-four trillion, three hundred forty-three billion, two hundred forty million, three hundred five thousand, three hundred thirty-one".