3645888366 has 16 divisors (see below), whose sum is σ = 7366950864. Its totient is φ = 1202767104.

The previous prime is 3645888341. The next prime is 3645888373. The reversal of 3645888366 is 6638885463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3131625 + ... + 3132788.

It is an arithmetic number, because the mean of its divisors is an integer number (460434429).

Almost surely, 2^3645888366 is an apocalyptic number.

3645888366 is an abundant number, since it is smaller than the sum of its proper divisors (3721062498).

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

3645888366 is a wasteful number, since it uses less digits than its factorization.

3645888366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264515.

The product of its digits is 19906560, while the sum is 57.

The square root of 3645888366 is about 60381.1921545112. The cubic root of 3645888366 is about 1539.1033693833.

The spelling of 3645888366 in words is "three billion, six hundred forty-five million, eight hundred eighty-eight thousand, three hundred sixty-six".