2666564530 has 16 divisors (see below), whose sum is σ = 5485504320. Its totient is φ = 914250672.

The previous prime is 2666564497. The next prime is 2666564543. The reversal of 2666564530 is 354656662.

It is a super-2 number, since 2×2666564530² = 14221132785308241800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19046820 + ... + 19046959.

It is an arithmetic number, because the mean of its divisors is an integer number (342844020).

Almost surely, 2^2666564530 is an apocalyptic number.

2666564530 is an abundant number, since it is smaller than the sum of its proper divisors (2818939790).

2666564530 is a wasteful number, since it uses less digits than its factorization.

2666564530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38093793.

The product of its (nonzero) digits is 777600, while the sum is 43.

The square root of 2666564530 is about 51638.7890059401. The cubic root of 2666564530 is about 1386.7048440729.

The spelling of 2666564530 in words is "two billion, six hundred sixty-six million, five hundred sixty-four thousand, five hundred thirty".