6601551453 has 24 divisors (see below), whose sum is σ = 10900938048. Its totient is φ = 3771228672.

The previous prime is 6601551449. The next prime is 6601551553. The reversal of 6601551453 is 3541551066.

6601551453 is a `hidden beast` number, since 6 + 60 + 1 + 551 + 45 + 3 = 666.

It is not a de Polignac number, because 6601551453 - 2² = 6601551449 is a prime.

It is a super-2 number, since 2×6601551453² = 87160963173212822418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601551443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239101 + ... + 265277.

It is an arithmetic number, because the mean of its divisors is an integer number (454205752).

Almost surely, 2^6601551453 is an apocalyptic number.

6601551453 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

6601551453 is a deficient number, since it is larger than the sum of its proper divisors (4299386595).

6601551453 is a wasteful number, since it uses less digits than its factorization.

6601551453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30193 (or 30190 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 6601551453 is about 81249.9320184331. The cubic root of 6601551453 is about 1875.9244226679.

The spelling of 6601551453 in words is "six billion, six hundred one million, five hundred fifty-one thousand, four hundred fifty-three".