5663652012 has 144 divisors (see below), whose sum is σ = 15978726400. Its totient is φ = 1683815040.

The previous prime is 5663652011. The next prime is 5663652013. The reversal of 5663652012 is 2102563665.

It is a happy number.

5663652012 is a `hidden beast` number, since 5 + 6 + 636 + 5 + 2 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (5663652011) and next prime (5663652013).

It is a super-2 number, since 2×5663652012² = 64153908226063296288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5663652011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 780939 + ... + 788157.

Almost surely, 2^5663652012 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 5663652012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7989363200).

5663652012 is an abundant number, since it is smaller than the sum of its proper divisors (10315074388).

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

5663652012 is a wasteful number, since it uses less digits than its factorization.

5663652012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7316 (or 7311 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5663652012 is about 75257.2389342049. The cubic root of 5663652012 is about 1782.5108709218.

The spelling of 5663652012 in words is "five billion, six hundred sixty-three million, six hundred fifty-two thousand, twelve".