6551636001 has 32 divisors (see below), whose sum is σ = 9355367808. Its totient is φ = 4063887360.

The previous prime is 6551635999. The next prime is 6551636029. The reversal of 6551636001 is 1006361556.

It is not a de Polignac number, because 6551636001 - 2¹ = 6551635999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6551636081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3497001 + ... + 3498873.

It is an arithmetic number, because the mean of its divisors is an integer number (292355244).

Almost surely, 2^6551636001 is an apocalyptic number.

It is an amenable number.

6551636001 is a deficient number, since it is larger than the sum of its proper divisors (2803731807).

6551636001 is a wasteful number, since it uses less digits than its factorization.

6551636001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 6551636001 is about 80942.1768980795. The cubic root of 6551636001 is about 1871.1843947193.

Adding to 6551636001 its reverse (1006361556), we get a palindrome (7557997557).

The spelling of 6551636001 in words is "six billion, five hundred fifty-one million, six hundred thirty-six thousand, one".