3666488736 has 96 divisors (see below), whose sum is σ = 10218156480. Its totient is φ = 1147170816.

The previous prime is 3666488717. The next prime is 3666488747. The reversal of 3666488736 is 6378846663.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645075 + ... + 650733.

It is an arithmetic number, because the mean of its divisors is an integer number (106439130).

Almost surely, 2^3666488736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3666488736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5109078240).

3666488736 is an abundant number, since it is smaller than the sum of its proper divisors (6551667744).

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

3666488736 is a wasteful number, since it uses less digits than its factorization.

3666488736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6078 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 57.

The square root of 3666488736 is about 60551.5378500001. The cubic root of 3666488736 is about 1541.9967263292.

The spelling of 3666488736 in words is "three billion, six hundred sixty-six million, four hundred eighty-eight thousand, seven hundred thirty-six".