6501667655133 has 48 divisors (see below), whose sum is σ = 10811375702400. Its totient is φ = 3688084224000.

The previous prime is 6501667655089. The next prime is 6501667655143. The reversal of 6501667655133 is 3315567661056.

6501667655133 is a `hidden beast` number, since 6 + 5 + 0 + 1 + 6 + 67 + 65 + 513 + 3 = 666.

It is not a de Polignac number, because 6501667655133 - 2⁹ = 6501667654621 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6501667655133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501667655143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85509133 + ... + 85585133.

It is an arithmetic number, because the mean of its divisors is an integer number (225236993800).

Almost surely, 2^{6501667655133} is an apocalyptic number.

6501667655133 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6501667655133 is a deficient number, since it is larger than the sum of its proper divisors (4309708047267).

6501667655133 is a wasteful number, since it uses less digits than its factorization.

6501667655133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85922 (or 85919 counting only the distinct ones).

The product of its (nonzero) digits is 10206000, while the sum is 54.

The spelling of 6501667655133 in words is "six trillion, five hundred one billion, six hundred sixty-seven million, six hundred fifty-five thousand, one hundred thirty-three".