2661152 has 24 divisors (see below), whose sum is σ = 5643036. Its totient is φ = 1228032.

The previous prime is 2661137. The next prime is 2661157. The reversal of 2661152 is 2511662.

It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 712336 = 1396^2 + 844^2 .

It is not an unprimeable number, because it can be changed into a prime (2661157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783 + ... + 3614.

2^2661152 is an apocalyptic number.

It is an amenable number.

2661152 is an abundant number, since it is smaller than the sum of its proper divisors (2981884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2661152 is a wasteful number, since it uses less digits than its factorization.

2661152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6420 (or 6412 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2661152 is about 1631.3037730601. The cubic root of 2661152 is about 138.5765974923.

The spelling of 2661152 in words is "two million, six hundred sixty-one thousand, one hundred fifty-two".