2665612552 has 16 divisors (see below), whose sum is σ = 5023922940. Its totient is φ = 1325899776.

The previous prime is 2665612493. The next prime is 2665612561. The reversal of 2665612552 is 2552165662.

It can be written as a sum of positive squares in 2 ways, for example, as 2244295876 + 421316676 = 47374^2 + 20526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861673 + ... + 864760.

Almost surely, 2^2665612552 is an apocalyptic number.

It is an amenable number.

2665612552 is a deficient number, since it is larger than the sum of its proper divisors (2358310388).

2665612552 is a wasteful number, since it uses less digits than its factorization.

2665612552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726632 (or 1726628 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 2665612552 is about 51629.5705192286. The cubic root of 2665612552 is about 1386.5398040478.

The spelling of 2665612552 in words is "two billion, six hundred sixty-five million, six hundred twelve thousand, five hundred fifty-two".