3400660566 has 24 divisors (see below), whose sum is σ = 7439636880. Its totient is φ = 1122547536.

The previous prime is 3400660559. The next prime is 3400660567. The reversal of 3400660566 is 6650660043.

3400660566 is a `hidden beast` number, since 3 + 40 + 0 + 6 + 605 + 6 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3400660566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400660567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915261 + ... + 918968.

It is an arithmetic number, because the mean of its divisors is an integer number (309984870).

Almost surely, 2^3400660566 is an apocalyptic number.

3400660566 is an abundant number, since it is smaller than the sum of its proper divisors (4038976314).

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

3400660566 is a wasteful number, since it uses less digits than its factorization.

3400660566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834340 (or 1834337 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3400660566 is about 58315.1829800782. The cubic root of 3400660566 is about 1503.7919712251.

The spelling of 3400660566 in words is "three billion, four hundred million, six hundred sixty thousand, five hundred sixty-six".