3660163932820 has 24 divisors (see below), whose sum is σ = 7704688773600. Its totient is φ = 1460571379872.

The previous prime is 3660163932787. The next prime is 3660163932827. The reversal of 3660163932820 is 282393610663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660163932827) 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, 218378490 + ... + 218395249.

It is an arithmetic number, because the mean of its divisors is an integer number (321028698900).

Almost surely, 2^{3660163932820} is an apocalyptic number.

It is an amenable number.

3660163932820 is an abundant number, since it is smaller than the sum of its proper divisors (4044524840780).

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

3660163932820 is a wasteful number, since it uses less digits than its factorization.

3660163932820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436774167 (or 436774165 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 3660163932820 in words is "three trillion, six hundred sixty billion, one hundred sixty-three million, nine hundred thirty-two thousand, eight hundred twenty".