7522545663 has 36 divisors (see below), whose sum is σ = 11076920400. Its totient is φ = 4919346432.

The previous prime is 7522545647. The next prime is 7522545671. The reversal of 7522545663 is 3665452257.

It is not a de Polignac number, because 7522545663 - 2⁴ = 7522545647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7522545463) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11177295 + ... + 11177967.

Almost surely, 2^7522545663 is an apocalyptic number.

7522545663 is a deficient number, since it is larger than the sum of its proper divisors (3554374737).

7522545663 is a wasteful number, since it uses less digits than its factorization.

7522545663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 954 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The square root of 7522545663 is about 86732.6101475103. The cubic root of 7522545663 is about 1959.3932648405.

The spelling of 7522545663 in words is "seven billion, five hundred twenty-two million, five hundred forty-five thousand, six hundred sixty-three".