3685205168500 has 48 divisors (see below), whose sum is σ = 8048813310720. Its totient is φ = 1474022503200.

The previous prime is 3685205168483. The next prime is 3685205168549. The reversal of 3685205168500 is 58615025863.

It is a super-2 number, since 2×3685205168500² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13484209 + ... + 13754791.

It is an arithmetic number, because the mean of its divisors is an integer number (167683610640).

Almost surely, 2^{3685205168500} is an apocalyptic number.

It is an amenable number.

3685205168500 is an abundant number, since it is smaller than the sum of its proper divisors (4363608142220).

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

3685205168500 is a wasteful number, since it uses less digits than its factorization.

3685205168500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297841 (or 297829 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 49.

The spelling of 3685205168500 in words is "three trillion, six hundred eighty-five billion, two hundred five million, one hundred sixty-eight thousand, five hundred".