5663615370 has 128 divisors (see below), whose sum is σ = 16179609600. Its totient is φ = 1241533440.

The previous prime is 5663615341. The next prime is 5663615387. The reversal of 5663615370 is 735163665.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 731781 + ... + 739479.

It is an arithmetic number, because the mean of its divisors is an integer number (126403200).

Almost surely, 2^5663615370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5663615370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8089804800).

5663615370 is an abundant number, since it is smaller than the sum of its proper divisors (10515994230).

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

5663615370 is a wasteful number, since it uses less digits than its factorization.

5663615370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860.

The product of its (nonzero) digits is 340200, while the sum is 42.

The square root of 5663615370 is about 75256.9954887916. The cubic root of 5663615370 is about 1782.5070268235.

The spelling of 5663615370 in words is "five billion, six hundred sixty-three million, six hundred fifteen thousand, three hundred seventy".