1016643627 has 12 divisors (see below), whose sum is σ = 1469062920. Its totient is φ = 677495808.

The previous prime is 1016643619. The next prime is 1016643643. The reversal of 1016643627 is 7263466101.

It is a happy number.

1016643627 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 643 + 6 + 2 + 7 = 666.

It is not a de Polignac number, because 1016643627 - 2³ = 1016643619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1016643591 and 1016643600.

It is not an unprimeable number, because it can be changed into a prime (1016641627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3499 + ... + 45227.

It is an arithmetic number, because the mean of its divisors is an integer number (122421910).

Almost surely, 2^1016643627 is an apocalyptic number.

1016643627 is a deficient number, since it is larger than the sum of its proper divisors (452419293).

1016643627 is a wasteful number, since it uses less digits than its factorization.

1016643627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44442 (or 44439 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1016643627 is about 31884.8494900007. The cubic root of 1016643627 is about 1005.5173782186.

The spelling of 1016643627 in words is "one billion, sixteen million, six hundred forty-three thousand, six hundred twenty-seven".