2666525130 has 32 divisors (see below), whose sum is σ = 7110734400. Its totient is φ = 711073296.

The previous prime is 2666525111. The next prime is 2666525143. The reversal of 2666525130 is 315256662.

It is a happy number.

It is a super-2 number, since 2×2666525130² = 14220712537843033800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4937740 + ... + 4938279.

It is an arithmetic number, because the mean of its divisors is an integer number (222210450).

Almost surely, 2^2666525130 is an apocalyptic number.

2666525130 is an abundant number, since it is smaller than the sum of its proper divisors (4444209270).

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

2666525130 is a wasteful number, since it uses less digits than its factorization.

2666525130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9876035 (or 9876029 counting only the distinct ones).

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

The square root of 2666525130 is about 51638.4075083653. The cubic root of 2666525130 is about 1386.6980142563.

The spelling of 2666525130 in words is "two billion, six hundred sixty-six million, five hundred twenty-five thousand, one hundred thirty".