2666632 has 16 divisors (see below), whose sum is σ = 5023260. Its totient is φ = 1327104.

The previous prime is 2666591. The next prime is 2666633. The reversal of 2666632 is 2366662.

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 1094116 = 1254^2 + 1046^2 .

It is a super-2 number, since 2×2666632² = 14221852446848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666594 and 2666603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408 + ... + 2704.

2^2666632 is an apocalyptic number.

It is an amenable number.

2666632 is a deficient number, since it is larger than the sum of its proper divisors (2356628).

2666632 is a wasteful number, since it uses less digits than its factorization.

2666632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560 (or 1556 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 2666632 is about 1632.9825473654. The cubic root of 2666632 is about 138.6716539544.

The spelling of 2666632 in words is "two million, six hundred sixty-six thousand, six hundred thirty-two".