6577725256066 has 32 divisors (see below), whose sum is σ = 10026844692480. Its totient is φ = 3235863552000.

The previous prime is 6577725256051. The next prime is 6577725256087. The reversal of 6577725256066 is 6606525277756.

It is a junction number, because it is equal to n+sod(n) for n = 6577725255989 and 6577725256007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59268015 + ... + 59378893.

It is an arithmetic number, because the mean of its divisors is an integer number (313338896640).

Almost surely, 2^{6577725256066} is an apocalyptic number.

6577725256066 is a deficient number, since it is larger than the sum of its proper divisors (3449119436414).

6577725256066 is a wasteful number, since it uses less digits than its factorization.

6577725256066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112770.

The product of its (nonzero) digits is 222264000, while the sum is 64.

The spelling of 6577725256066 in words is "six trillion, five hundred seventy-seven billion, seven hundred twenty-five million, two hundred fifty-six thousand, sixty-six".