5195566530 has 384 divisors, whose sum is σ = 18517248000. Its totient is φ = 1022232960.

The previous prime is 5195566517. The next prime is 5195566561. The reversal of 5195566530 is 356655915.

It is a happy number.

5195566530 is a `hidden beast` number, since 5 + 1 + 9 + 55 + 66 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2764131 + ... + 2766009.

It is an arithmetic number, because the mean of its divisors is an integer number (48222000).

Almost surely, 2^5195566530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5195566530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9258624000).

5195566530 is an abundant number, since it is smaller than the sum of its proper divisors (13321681470).

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

5195566530 is a wasteful number, since it uses less digits than its factorization.

5195566530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939 (or 1926 counting only the distinct ones).

The product of its (nonzero) digits is 607500, while the sum is 45.

The square root of 5195566530 is about 72080.2783707166. The cubic root of 5195566530 is about 1731.9857059323.

The spelling of 5195566530 in words is "five billion, one hundred ninety-five million, five hundred sixty-six thousand, five hundred thirty".