3660555000 has 160 divisors (see below), whose sum is σ = 11489884560. Its totient is φ = 971520000.

The previous prime is 3660554987. The next prime is 3660555001. The reversal of 3660555000 is 5550663.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660555001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4154560 + ... + 4155440.

Almost surely, 2^3660555000 is an apocalyptic number.

3660555000 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 3660555000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5744942280).

3660555000 is an abundant number, since it is smaller than the sum of its proper divisors (7829329560).

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

3660555000 is a wasteful number, since it uses less digits than its factorization.

3660555000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 3660555000 is about 60502.5206086490. The cubic root of 3660555000 is about 1541.1644366819.

The spelling of 3660555000 in words is "three billion, six hundred sixty million, five hundred fifty-five thousand".