21632165211052 has 48 divisors (see below), whose sum is σ = 43482401988480. Its totient is φ = 9312915340800.

The previous prime is 21632165211029. The next prime is 21632165211089. The reversal of 21632165211052 is 25011256123612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4933 + ... + 6577564.

It is an arithmetic number, because the mean of its divisors is an integer number (905883374760).

Almost surely, 2^{21632165211052} is an apocalyptic number.

21632165211052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21632165211052 is an abundant number, since it is smaller than the sum of its proper divisors (21850236777428).

21632165211052 is a wasteful number, since it uses less digits than its factorization.

21632165211052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6586462 (or 6586460 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 21632165211052 in words is "twenty-one trillion, six hundred thirty-two billion, one hundred sixty-five million, two hundred eleven thousand, fifty-two".