2530608666 has 32 divisors (see below), whose sum is σ = 5112045888. Its totient is φ = 835107840.

The previous prime is 2530608629. The next prime is 2530608679. The reversal of 2530608666 is 6668060352.

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, 239160 + ... + 249516.

It is an arithmetic number, because the mean of its divisors is an integer number (159751434).

Almost surely, 2^2530608666 is an apocalyptic number.

2530608666 is an abundant number, since it is smaller than the sum of its proper divisors (2581437222).

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

2530608666 is a wasteful number, since it uses less digits than its factorization.

2530608666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10766.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 2530608666 is about 50305.1554614435. The cubic root of 2530608666 is about 1362.7253355224.

It can be divided in two parts, 253060 and 8666, that added together give a triangular number (261726 = T₇₂₃).

The spelling of 2530608666 in words is "two billion, five hundred thirty million, six hundred eight thousand, six hundred sixty-six".