2665657552 has 10 divisors (see below), whose sum is σ = 5164711538. Its totient is φ = 1332828768.

The previous prime is 2665657493. The next prime is 2665657559. The reversal of 2665657552 is 2557565662.

2665657552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2516426896 + 149230656 = 50164^2 + 12216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2665657496 and 2665657505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665657559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83301783 + ... + 83301814.

Almost surely, 2^2665657552 is an apocalyptic number.

It is an amenable number.

2665657552 is a deficient number, since it is larger than the sum of its proper divisors (2499053986).

2665657552 is a wasteful number, since it uses less digits than its factorization.

2665657552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166603605 (or 166603599 counting only the distinct ones).

The product of its digits is 3780000, while the sum is 49.

The square root of 2665657552 is about 51630.0063141580. The cubic root of 2665657552 is about 1386.5476063745.

The spelling of 2665657552 in words is "two billion, six hundred sixty-five million, six hundred fifty-seven thousand, five hundred fifty-two".