3666652824820 has 24 divisors (see below), whose sum is σ = 7758749341728. Its totient is φ = 1455465242400.

The previous prime is 3666652824803. The next prime is 3666652824829. The reversal of 3666652824820 is 284282566663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666652824829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699740286 + ... + 699745525.

It is an arithmetic number, because the mean of its divisors is an integer number (323281222572).

Almost surely, 2^{3666652824820} is an apocalyptic number.

It is an amenable number.

3666652824820 is an abundant number, since it is smaller than the sum of its proper divisors (4092096516908).

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

3666652824820 is a wasteful number, since it uses less digits than its factorization.

3666652824820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399485951 (or 1399485949 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 58.

The spelling of 3666652824820 in words is "three trillion, six hundred sixty-six billion, six hundred fifty-two million, eight hundred twenty-four thousand, eight hundred twenty".