3669216648 has 64 divisors (see below), whose sum is σ = 9552470400. Its totient is φ = 1173043200.

The previous prime is 3669216613. The next prime is 3669216671. The reversal of 3669216648 is 8466129663.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3669216648.

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 15 ways as a sum of consecutive naturals, for example, 87640 + ... + 122552.

It is an arithmetic number, because the mean of its divisors is an integer number (149257350).

Almost surely, 2^3669216648 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 3669216648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4776235200).

3669216648 is an abundant number, since it is smaller than the sum of its proper divisors (5883253752).

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

3669216648 is a wasteful number, since it uses less digits than its factorization.

3669216648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35102 (or 35098 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The square root of 3669216648 is about 60574.0592002880. The cubic root of 3669216648 is about 1542.3790529361.

The spelling of 3669216648 in words is "three billion, six hundred sixty-nine million, two hundred sixteen thousand, six hundred forty-eight".