5130121566 has 32 divisors (see below), whose sum is σ = 10349015040. Its totient is φ = 1695266496.

The previous prime is 5130121561. The next prime is 5130121573. The reversal of 5130121566 is 6651210315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5130121561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1878490 + ... + 1881218.

It is an arithmetic number, because the mean of its divisors is an integer number (323406720).

Almost surely, 2^5130121566 is an apocalyptic number.

5130121566 is an abundant number, since it is smaller than the sum of its proper divisors (5218893474).

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

5130121566 is a wasteful number, since it uses less digits than its factorization.

5130121566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 5130121566 is about 71624.8669527560. The cubic root of 5130121566 is about 1724.6827467810.

The spelling of 5130121566 in words is "five billion, one hundred thirty million, one hundred twenty-one thousand, five hundred sixty-six".