21063704162 has 8 divisors (see below), whose sum is σ = 32366179692. Its totient is φ = 10274977600.

The previous prime is 21063704141. The next prime is 21063704201. The reversal of 21063704162 is 26140736012.

It can be written as a sum of positive squares in 2 ways, for example, as 17710020241 + 3353683921 = 133079^2 + 57911^2 .

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

It is a super-2 number, since 2×21063704162² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128437139 + ... + 128437302.

Almost surely, 2^21063704162 is an apocalyptic number.

21063704162 is a deficient number, since it is larger than the sum of its proper divisors (11302475530).

21063704162 is a wasteful number, since it uses less digits than its factorization.

21063704162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256874484.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 21063704162 in words is "twenty-one billion, sixty-three million, seven hundred four thousand, one hundred sixty-two".