6601775666276 has 12 divisors (see below), whose sum is σ = 13203551332608. Its totient is φ = 2829332428392.

The previous prime is 6601775666221. The next prime is 6601775666279. The reversal of 6601775666276 is 6726665771066.

6601775666276 is an admirable number.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6601775666279) 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 in 3 ways as a sum of consecutive naturals, for example, 117888851156 + ... + 117888851211.

It is an arithmetic number, because the mean of its divisors is an integer number (1100295944384).

Almost surely, 2^{6601775666276} is an apocalyptic number.

It is an amenable number.

6601775666276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6601775666276 is a wasteful number, since it uses less digits than its factorization.

6601775666276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235777702378 (or 235777702376 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 65.

The spelling of 6601775666276 in words is "six trillion, six hundred one billion, seven hundred seventy-five million, six hundred sixty-six thousand, two hundred seventy-six".