7664252656 has 10 divisors (see below), whose sum is σ = 14849489552. Its totient is φ = 3832126320.

The previous prime is 7664252653. The next prime is 7664252689. The reversal of 7664252656 is 6562524667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664252653) 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 as a sum of consecutive naturals, namely, 239507880 + ... + 239507911.

Almost surely, 2^7664252656 is an apocalyptic number.

It is an amenable number.

7664252656 is a deficient number, since it is larger than the sum of its proper divisors (7185236896).

7664252656 is a wasteful number, since it uses less digits than its factorization.

7664252656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479015799 (or 479015793 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 49.

The square root of 7664252656 is about 87545.7175194766. The cubic root of 7664252656 is about 1971.6202544658.

The spelling of 7664252656 in words is "seven billion, six hundred sixty-four million, two hundred fifty-two thousand, six hundred fifty-six".