3646146566 has 32 divisors (see below), whose sum is σ = 5660820480. Its totient is φ = 1760616000.

The previous prime is 3646146541. The next prime is 3646146613. The reversal of 3646146566 is 6656416463.

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 3646146566.

It is a congruent number.

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, 1597346 + ... + 1599626.

It is an arithmetic number, because the mean of its divisors is an integer number (176900640).

Almost surely, 2^3646146566 is an apocalyptic number.

3646146566 is a deficient number, since it is larger than the sum of its proper divisors (2014673914).

3646146566 is a wasteful number, since it uses less digits than its factorization.

3646146566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580.

The product of its digits is 1866240, while the sum is 47.

The square root of 3646146566 is about 60383.3301996503. The cubic root of 3646146566 is about 1539.1397013706.

The spelling of 3646146566 in words is "three billion, six hundred forty-six million, one hundred forty-six thousand, five hundred sixty-six".