516553653331644 has 48 divisors (see below), whose sum is σ = 1281289937450880. Its totient is φ = 161507134958400.

The previous prime is 516553653331613. The next prime is 516553653331741. The reversal of 516553653331644 is 446133356355615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11215750234 + ... + 11215796289.

It is an arithmetic number, because the mean of its divisors is an integer number (26693540363560).

Almost surely, 2^{516553653331644} is an apocalyptic number.

It is an amenable number.

516553653331644 is an abundant number, since it is smaller than the sum of its proper divisors (764736284119236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

516553653331644 is a wasteful number, since it uses less digits than its factorization.

516553653331644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22431546650 (or 22431546648 counting only the distinct ones).

The product of its digits is 174960000, while the sum is 60.

The spelling of 516553653331644 in words is "five hundred sixteen trillion, five hundred fifty-three billion, six hundred fifty-three million, three hundred thirty-one thousand, six hundred forty-four".