7664286648 has 16 divisors (see below), whose sum is σ = 19160716680. Its totient is φ = 2554762208.

The previous prime is 7664286631. The next prime is 7664286653. The reversal of 7664286648 is 8466824667.

It is a super-2 number, since 2×7664286648² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 159672615 + ... + 159672662.

Almost surely, 2^7664286648 is an apocalyptic number.

It is an amenable number.

7664286648 is an abundant number, since it is smaller than the sum of its proper divisors (11496430032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7664286648 is a wasteful number, since it uses less digits than its factorization.

7664286648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319345286 (or 319345282 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 57.

The square root of 7664286648 is about 87545.9116578267. The cubic root of 7664286648 is about 1971.6231692626.

The spelling of 7664286648 in words is "seven billion, six hundred sixty-four million, two hundred eighty-six thousand, six hundred forty-eight".