255348568616 has 8 divisors (see below), whose sum is σ = 478778566170. Its totient is φ = 127674284304.

The previous prime is 255348568609. The next prime is 255348568633. The reversal of 255348568616 is 616865843552.

It can be written as a sum of positive squares in only one way, i.e., 176694122500 + 78654446116 = 420350^2 + 280454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15959285531 + ... + 15959285546.

Almost surely, 2^255348568616 is an apocalyptic number.

It is an amenable number.

255348568616 is a deficient number, since it is larger than the sum of its proper divisors (223429997554).

255348568616 is a wasteful number, since it uses less digits than its factorization.

255348568616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31918571083 (or 31918571079 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 59.

The spelling of 255348568616 in words is "two hundred fifty-five billion, three hundred forty-eight million, five hundred sixty-eight thousand, six hundred sixteen".