6764529666680 has 32 divisors (see below), whose sum is σ = 15263308472400. Its totient is φ = 2698146671616.

The previous prime is 6764529666677. The next prime is 6764529666731. The reversal of 6764529666680 is 866669254676.

It is a super-2 number, since 2×6764529666680² (a number of 26 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239523050 + ... + 239551289.

Almost surely, 2^{6764529666680} is an apocalyptic number.

It is an amenable number.

6764529666680 is an abundant number, since it is smaller than the sum of its proper divisors (8498778805720).

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

6764529666680 is a wasteful number, since it uses less digits than its factorization.

6764529666680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479074703 (or 479074699 counting only the distinct ones).

The product of its (nonzero) digits is 940584960, while the sum is 71.

The spelling of 6764529666680 in words is "six trillion, seven hundred sixty-four billion, five hundred twenty-nine million, six hundred sixty-six thousand, six hundred eighty".