6601541445 has 16 divisors (see below), whose sum is σ = 11736073920. Its totient is φ = 3520822032.

The previous prime is 6601541437. The next prime is 6601541449. The reversal of 6601541445 is 5441451066.

6601541445 is a `hidden beast` number, since 6 + 60 + 154 + 1 + 445 = 666.

It is not a de Polignac number, because 6601541445 - 2³ = 6601541437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601541449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24450019 + ... + 24450288.

It is an arithmetic number, because the mean of its divisors is an integer number (733504620).

Almost surely, 2^6601541445 is an apocalyptic number.

It is an amenable number.

6601541445 is a deficient number, since it is larger than the sum of its proper divisors (5134532475).

6601541445 is a wasteful number, since it uses less digits than its factorization.

6601541445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48900321 (or 48900315 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 6601541445 is about 81249.8704306659. The cubic root of 6601541445 is about 1875.9234746957.

The spelling of 6601541445 in words is "six billion, six hundred one million, five hundred forty-one thousand, four hundred forty-five".