7546516641 has 12 divisors (see below), whose sum is σ = 11154025168. Its totient is φ = 4914010584.

The previous prime is 7546516613. The next prime is 7546516661. The reversal of 7546516641 is 1466156457.

7546516641 is a `hidden beast` number, since 7 + 546 + 5 + 1 + 66 + 41 = 666.

It is not a de Polignac number, because 7546516641 - 2¹⁰ = 7546515617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7546516661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9749635 + ... + 9750408.

Almost surely, 2^7546516641 is an apocalyptic number.

It is an amenable number.

7546516641 is a deficient number, since it is larger than the sum of its proper divisors (3607508527).

7546516641 is a wasteful number, since it uses less digits than its factorization.

7546516641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500092 (or 19500089 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 7546516641 is about 86870.6891937666. The cubic root of 7546516641 is about 1961.4722938386.

The spelling of 7546516641 in words is "seven billion, five hundred forty-six million, five hundred sixteen thousand, six hundred forty-one".