2532657668 has 12 divisors (see below), whose sum is σ = 4665422160. Its totient is φ = 1199679912.

The previous prime is 2532657661. The next prime is 2532657697. The reversal of 2532657668 is 8667562352.

It is not an unprimeable number, because it can be changed into a prime (2532657661) 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, 16662146 + ... + 16662297.

It is an arithmetic number, because the mean of its divisors is an integer number (388785180).

Almost surely, 2^2532657668 is an apocalyptic number.

It is an amenable number.

2532657668 is a deficient number, since it is larger than the sum of its proper divisors (2132764492).

2532657668 is a wasteful number, since it uses less digits than its factorization.

2532657668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33324466 (or 33324464 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The square root of 2532657668 is about 50325.5170663949. The cubic root of 2532657668 is about 1363.0930301544.

The spelling of 2532657668 in words is "two billion, five hundred thirty-two million, six hundred fifty-seven thousand, six hundred sixty-eight".