6005355501663 has 144 divisors (see below), whose sum is σ = 10244767356096. Its totient is φ = 3320322969600.

The previous prime is 6005355501661. The next prime is 6005355501679. The reversal of 6005355501663 is 3661055535006.

6005355501663 is a `hidden beast` number, since 6 + 0 + 0 + 5 + 35 + 550 + 1 + 6 + 63 = 666.

It is not a de Polignac number, because 6005355501663 - 2¹ = 6005355501661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6005355501661) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6023425281 + ... + 6023426277.

Almost surely, 2^{6005355501663} is an apocalyptic number.

6005355501663 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

6005355501663 is a deficient number, since it is larger than the sum of its proper divisors (4239411854433).

6005355501663 is a wasteful number, since it uses less digits than its factorization.

6005355501663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 45.

The spelling of 6005355501663 in words is "six trillion, five billion, three hundred fifty-five million, five hundred one thousand, six hundred sixty-three".