264144121441461 has 8 divisors (see below), whose sum is σ = 391324624357760. Its totient is φ = 176096080960956.

The previous prime is 264144121441457. The next prime is 264144121441463. The reversal of 264144121441461 is 164144121441462.

264144121441461 is a `hidden beast` number, since 2 + 6 + 4 + 1 + 4 + 41 + 2 + 144 + 1 + 461 = 666.

264144121441461 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 264144121441461 - 2² = 264144121441457 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 (264144121441463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4891557804445 + ... + 4891557804498.

It is an arithmetic number, because the mean of its divisors is an integer number (48915578044720).

Almost surely, 2^{264144121441461} is an apocalyptic number.

It is an amenable number.

264144121441461 is a deficient number, since it is larger than the sum of its proper divisors (127180502916299).

264144121441461 is an equidigital number, since it uses as much as digits as its factorization.

264144121441461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783115608952 (or 9783115608946 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

Subtracting from 264144121441461 its reverse (164144121441462), we obtain a palindrome (99999999999999).

The spelling of 264144121441461 in words is "two hundred sixty-four trillion, one hundred forty-four billion, one hundred twenty-one million, four hundred forty-one thousand, four hundred sixty-one".