264104163331 has 4 divisors (see below), whose sum is σ = 264105196072. Its totient is φ = 264103130592.

The previous prime is 264104163269. The next prime is 264104163359. The reversal of 264104163331 is 133361401462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133361401462 = 2 ⋅66680700731.

It is a cyclic number.

It is not a de Polignac number, because 264104163331 - 2³¹ = 261956679683 is a prime.

It is a super-2 number, since 2×264104163331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264104163361) 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, 182680 + ... + 749386.

It is an arithmetic number, because the mean of its divisors is an integer number (66026299018).

Almost surely, 2^264104163331 is an apocalyptic number.

264104163331 is a deficient number, since it is larger than the sum of its proper divisors (1032741).

264104163331 is an equidigital number, since it uses as much as digits as its factorization.

264104163331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032740.

The product of its (nonzero) digits is 31104, while the sum is 34.

Adding to 264104163331 its reverse (133361401462), we get a palindrome (397465564793).

The spelling of 264104163331 in words is "two hundred sixty-four billion, one hundred four million, one hundred sixty-three thousand, three hundred thirty-one".