3666685003500 has 48 divisors (see below), whose sum is σ = 10677386734560. Its totient is φ = 977782667200.

The previous prime is 3666685003489. The next prime is 3666685003543. The reversal of 3666685003500 is 53005866663.

It is a self number, because there is not a number n which added to its sum of digits gives 3666685003500.

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, 1222226835 + ... + 1222229834.

It is an arithmetic number, because the mean of its divisors is an integer number (222445556970).

Almost surely, 2^{3666685003500} is an apocalyptic number.

3666685003500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3666685003500 is an abundant number, since it is smaller than the sum of its proper divisors (7010701731060).

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

3666685003500 is a wasteful number, since it uses less digits than its factorization.

3666685003500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444456691 (or 2444456679 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 3666685003500 in words is "three trillion, six hundred sixty-six billion, six hundred eighty-five million, three thousand, five hundred".