1063061643 has 16 divisors (see below), whose sum is σ = 1620688896. Its totient is φ = 607169280.

The previous prime is 1063061621. The next prime is 1063061669. The reversal of 1063061643 is 3461603601.

It is not a de Polignac number, because 1063061643 - 2¹⁰ = 1063060619 is a prime.

It is a super-2 number, since 2×1063061643² = 2260200113635718898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1063061643.

It is not an unprimeable number, because it can be changed into a prime (1063061603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36598 + ... + 58868.

It is an arithmetic number, because the mean of its divisors is an integer number (101293056).

Almost surely, 2^1063061643 is an apocalyptic number.

1063061643 is a deficient number, since it is larger than the sum of its proper divisors (557627253).

1063061643 is a wasteful number, since it uses less digits than its factorization.

1063061643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24554.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1063061643 is about 32604.6260981475. The cubic root of 1063061643 is about 1020.5935424758.

The spelling of 1063061643 in words is "one billion, sixty-three million, sixty-one thousand, six hundred forty-three".