3668553472 has 54 divisors (see below), whose sum is σ = 7413747432. Its totient is φ = 1811598336.

The previous prime is 3668553467. The next prime is 3668553527. The reversal of 3668553472 is 2743558663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9835078 + ... + 9835450.

Almost surely, 2^3668553472 is an apocalyptic number.

3668553472 is a gapful number since it is divisible by the number (32) 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 3668553472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706873716).

3668553472 is an abundant number, since it is smaller than the sum of its proper divisors (3745193960).

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

3668553472 is an frugal number, since it uses more digits than its factorization.

3668553472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 478 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 49.

The square root of 3668553472 is about 60568.5848604704. The cubic root of 3668553472 is about 1542.2861238907.

The spelling of 3668553472 in words is "three billion, six hundred sixty-eight million, five hundred fifty-three thousand, four hundred seventy-two".