3661576800 has 288 divisors, whose sum is σ = 13828614912. Its totient is φ = 824186880.

The previous prime is 3661576759. The next prime is 3661576813. The reversal of 3661576800 is 86751663.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1123974 + ... + 1127226.

It is an arithmetic number, because the mean of its divisors is an integer number (48016024).

Almost surely, 2^3661576800 is an apocalyptic number.

3661576800 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 3661576800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6914307456).

3661576800 is an abundant number, since it is smaller than the sum of its proper divisors (10167038112).

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

3661576800 is a wasteful number, since it uses less digits than its factorization.

3661576800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350 (or 3337 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 3661576800 is about 60510.9642957373. The cubic root of 3661576800 is about 1541.3078225272.

The spelling of 3661576800 in words is "three billion, six hundred sixty-one million, five hundred seventy-six thousand, eight hundred".