6654256526 has 4 divisors (see below), whose sum is σ = 9981384792. Its totient is φ = 3327128262.

The previous prime is 6654256507. The next prime is 6654256529. The reversal of 6654256526 is 6256524566.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6654256529) 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 as a sum of consecutive naturals, namely, 1663564130 + ... + 1663564133.

It is an arithmetic number, because the mean of its divisors is an integer number (2495346198).

Almost surely, 2^6654256526 is an apocalyptic number.

6654256526 is a deficient number, since it is larger than the sum of its proper divisors (3327128266).

6654256526 is a wasteful number, since it uses less digits than its factorization.

6654256526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327128265.

The product of its digits is 2592000, while the sum is 47.

The square root of 6654256526 is about 81573.6264119721. The cubic root of 6654256526 is about 1880.9034934103.

The spelling of 6654256526 in words is "six billion, six hundred fifty-four million, two hundred fifty-six thousand, five hundred twenty-six".