6506861145 has 16 divisors (see below), whose sum is σ = 10607412672. Its totient is φ = 3404847680.

The previous prime is 6506861143. The next prime is 6506861159. The reversal of 6506861145 is 5411686056.

It is not a de Polignac number, because 6506861145 - 2¹ = 6506861143 is a prime.

It is a super-2 number, since 2×6506861145² = 84678483920621422050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6506861097 and 6506861106.

It is not an unprimeable number, because it can be changed into a prime (6506861143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4091571 + ... + 4093160.

It is an arithmetic number, because the mean of its divisors is an integer number (662963292).

Almost surely, 2^6506861145 is an apocalyptic number.

It is an amenable number.

6506861145 is a deficient number, since it is larger than the sum of its proper divisors (4100551527).

6506861145 is a wasteful number, since it uses less digits than its factorization.

6506861145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184792.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 6506861145 is about 80665.1172750651. The cubic root of 6506861145 is about 1866.9119962244.

The spelling of 6506861145 in words is "six billion, five hundred six million, eight hundred sixty-one thousand, one hundred forty-five".