2666563125 has 40 divisors (see below), whose sum is σ = 4551343104. Its totient is φ = 1387440000.

The previous prime is 2666563111. The next prime is 2666563127. The reversal of 2666563125 is 5213656662.

2666563125 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2666563125 - 2²⁰ = 2665514549 is a prime.

It is a super-2 number, since 2×2666563125² = 14221117799219531250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666563127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59532 + ... + 94218.

Almost surely, 2^2666563125 is an apocalyptic number.

2666563125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666563125 is a deficient number, since it is larger than the sum of its proper divisors (1884779979).

2666563125 is an equidigital number, since it uses as much as digits as its factorization.

2666563125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34751 (or 34736 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The square root of 2666563125 is about 51638.7754018238. The cubic root of 2666563125 is about 1386.7046005235.

The spelling of 2666563125 in words is "two billion, six hundred sixty-six million, five hundred sixty-three thousand, one hundred twenty-five".