21160466043044 has 6 divisors (see below), whose sum is σ = 37030815575334. Its totient is φ = 10580233021520.

The previous prime is 21160466043023. The next prime is 21160466043097. The reversal of 21160466043044 is 44034066406112.

It can be written as a sum of positive squares in only one way, i.e., 20800093946944 + 360372096100 = 4560712^2 + 600310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21160466042992 and 21160466043010.

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 as a sum of consecutive naturals, namely, 2645058255377 + ... + 2645058255384.

It is an arithmetic number, because the mean of its divisors is an integer number (6171802595889).

Almost surely, 2^{21160466043044} is an apocalyptic number.

It is an amenable number.

21160466043044 is a deficient number, since it is larger than the sum of its proper divisors (15870349532290).

21160466043044 is a wasteful number, since it uses less digits than its factorization.

21160466043044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290116510765 (or 5290116510763 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 21160466043044 in words is "twenty-one trillion, one hundred sixty billion, four hundred sixty-six million, forty-three thousand, forty-four".