3663561286 has 48 divisors (see below), whose sum is σ = 6966923040. Its totient is φ = 1414195200.

The previous prime is 3663561269. The next prime is 3663561289. The reversal of 3663561286 is 6821653663.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663561289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174726 + ... + 194566.

It is an arithmetic number, because the mean of its divisors is an integer number (145144230).

Almost surely, 2^3663561286 is an apocalyptic number.

3663561286 is a deficient number, since it is larger than the sum of its proper divisors (3303361754).

3663561286 is a wasteful number, since it uses less digits than its factorization.

3663561286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19981 (or 19970 counting only the distinct ones).

The product of its digits is 933120, while the sum is 46.

The square root of 3663561286 is about 60527.3598135587. The cubic root of 3663561286 is about 1541.5862227490.

The spelling of 3663561286 in words is "three billion, six hundred sixty-three million, five hundred sixty-one thousand, two hundred eighty-six".