1063646226442 has 8 divisors (see below), whose sum is σ = 1596712889376. Its totient is φ = 531408596652.

The previous prime is 1063646226439. The next prime is 1063646226443. The reversal of 1063646226442 is 2446226463601.

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

It is a super-2 number, since 2×1063646226442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1063646226392 and 1063646226401.

It is not an unprimeable number, because it can be changed into a prime (1063646226443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207255078 + ... + 207260209.

It is an arithmetic number, because the mean of its divisors is an integer number (199589111172).

Almost surely, 2^{1063646226442} is an apocalyptic number.

1063646226442 is a deficient number, since it is larger than the sum of its proper divisors (533066662934).

1063646226442 is a wasteful number, since it uses less digits than its factorization.

1063646226442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414516572.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 1063646226442 in words is "one trillion, sixty-three billion, six hundred forty-six million, two hundred twenty-six thousand, four hundred forty-two".