3660923185920 has 5184 divisors, whose sum is σ = 18999192576000. Its totient is φ = 643778150400.

The previous prime is 3660923185897. The next prime is 3660923185949. The reversal of 3660923185920 is 295813290663.

3660923185920 is a `hidden beast` number, since 3 + 6 + 609 + 2 + 3 + 1 + 8 + 5 + 9 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 118094296305 + ... + 118094296335.

Almost surely, 2^{3660923185920} is an apocalyptic number.

3660923185920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3660923185920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9499596288000).

3660923185920 is an abundant number, since it is smaller than the sum of its proper divisors (15338269390080).

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

3660923185920 is a wasteful number, since it uses less digits than its factorization.

3660923185920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 3660923185920 in words is "three trillion, six hundred sixty billion, nine hundred twenty-three million, one hundred eighty-five thousand, nine hundred twenty".