2666366425 has 48 divisors (see below), whose sum is σ = 3692085120. Its totient is φ = 1900800000.

The previous prime is 2666366383. The next prime is 2666366429. The reversal of 2666366425 is 5246636662.

It is not a de Polignac number, because 2666366425 - 2¹¹ = 2666364377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2666366429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 664425 + ... + 668425.

It is an arithmetic number, because the mean of its divisors is an integer number (76918440).

Almost surely, 2^2666366425 is an apocalyptic number.

2666366425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666366425 is a deficient number, since it is larger than the sum of its proper divisors (1025718695).

2666366425 is a wasteful number, since it uses less digits than its factorization.

2666366425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114 (or 4109 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 46.

The square root of 2666366425 is about 51636.8707901631. The cubic root of 2666366425 is about 1386.6705027618.

The spelling of 2666366425 in words is "two billion, six hundred sixty-six million, three hundred sixty-six thousand, four hundred twenty-five".