21633032536006 has 16 divisors (see below), whose sum is σ = 33496907753088. Its totient is φ = 10467409104000.

The previous prime is 21633032535997. The next prime is 21633032536019. The reversal of 21633032536006 is 60063523033612.

It is a self number, because there is not a number n which added to its sum of digits gives 21633032536006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403656 + ... + 6590068.

It is an arithmetic number, because the mean of its divisors is an integer number (2093556734568).

Almost surely, 2^{21633032536006} is an apocalyptic number.

21633032536006 is a deficient number, since it is larger than the sum of its proper divisors (11863875217082).

21633032536006 is a wasteful number, since it uses less digits than its factorization.

21633032536006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242847.

The product of its (nonzero) digits is 349920, while the sum is 40.

Adding to 21633032536006 its reverse (60063523033612), we get a palindrome (81696555569618).

The spelling of 21633032536006 in words is "twenty-one trillion, six hundred thirty-three billion, thirty-two million, five hundred thirty-six thousand, six".