6506626461 has 32 divisors (see below), whose sum is σ = 9390826368. Its totient is φ = 3992002560.

The previous prime is 6506626457. The next prime is 6506626471. The reversal of 6506626461 is 1646266056.

It is a happy number.

It is not a de Polignac number, because 6506626461 - 2² = 6506626457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6506626421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825901 + ... + 833741.

It is an arithmetic number, because the mean of its divisors is an integer number (293463324).

Almost surely, 2^6506626461 is an apocalyptic number.

It is an amenable number.

6506626461 is a deficient number, since it is larger than the sum of its proper divisors (2884199907).

6506626461 is a wasteful number, since it uses less digits than its factorization.

6506626461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 6506626461 is about 80663.6625811152. The cubic root of 6506626461 is about 1866.8895512169.

The spelling of 6506626461 in words is "six billion, five hundred six million, six hundred twenty-six thousand, four hundred sixty-one".