6601436057 has 8 divisors (see below), whose sum is σ = 7251005760. Its totient is φ = 5982078960.

The previous prime is 6601436029. The next prime is 6601436059. The reversal of 6601436057 is 7506341066.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6601436057 - 2¹⁰ = 6601435033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6601436057.

It is not an unprimeable number, because it can be changed into a prime (6601436059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7552694 + ... + 7553567.

It is an arithmetic number, because the mean of its divisors is an integer number (906375720).

Almost surely, 2^6601436057 is an apocalyptic number.

It is an amenable number.

6601436057 is a deficient number, since it is larger than the sum of its proper divisors (649569703).

6601436057 is a wasteful number, since it uses less digits than its factorization.

6601436057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106303.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 6601436057 is about 81249.2218855048. The cubic root of 6601436057 is about 1875.9134921345.

The spelling of 6601436057 in words is "six billion, six hundred one million, four hundred thirty-six thousand, fifty-seven".