244664141353551 has 24 divisors (see below), whose sum is σ = 358409920755744. Its totient is φ = 160799258934720.

The previous prime is 244664141353543. The next prime is 244664141353591. The reversal of 244664141353551 is 155353141466442.

It is a happy number.

244664141353551 is a `hidden beast` number, since 2 + 4 + 4 + 6 + 6 + 41 + 4 + 13 + 535 + 51 = 666.

It is not a de Polignac number, because 244664141353551 - 2³ = 244664141353543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244664141353591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7296276 + ... + 23293001.

It is an arithmetic number, because the mean of its divisors is an integer number (14933746698156).

Almost surely, 2^{244664141353551} is an apocalyptic number.

244664141353551 is a deficient number, since it is larger than the sum of its proper divisors (113745779402193).

244664141353551 is a wasteful number, since it uses less digits than its factorization.

244664141353551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30601871 (or 30601868 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 244664141353551 in words is "two hundred forty-four trillion, six hundred sixty-four billion, one hundred forty-one million, three hundred fifty-three thousand, five hundred fifty-one".