6551146117 has 2 divisors, whose sum is σ = 6551146118. Its totient is φ = 6551146116.

The previous prime is 6551146079. The next prime is 6551146123. The reversal of 6551146117 is 7116411556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5397253156 + 1153892961 = 73466^2 + 33969^2 .

It is a cyclic number.

It is not a de Polignac number, because 6551146117 - 2¹⁹ = 6550621829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6551146127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275573058 + 3275573059.

It is an arithmetic number, because the mean of its divisors is an integer number (3275573059).

Almost surely, 2^6551146117 is an apocalyptic number.

It is an amenable number.

6551146117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6551146117 is an equidigital number, since it uses as much as digits as its factorization.

6551146117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The square root of 6551146117 is about 80939.1507059470. The cubic root of 6551146117 is about 1871.1377556740.

It can be divided in two parts, 65511 and 46117, that added together give a triangular number (111628 = T₄₇₂).

The spelling of 6551146117 in words is "six billion, five hundred fifty-one million, one hundred forty-six thousand, one hundred seventeen".