16000063 has 4 divisors (see below), whose sum is σ = 16225488. Its totient is φ = 15774640.

The previous prime is 16000057. The next prime is 16000079. The reversal of 16000063 is 36000061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16000063 - 2⁹ = 15999551 is a prime.

16000063 is a modest number, since divided by 63 gives 16 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000463) 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 3 ways as a sum of consecutive naturals, for example, 112606 + ... + 112747.

It is an arithmetic number, because the mean of its divisors is an integer number (4056372).

Almost surely, 2^16000063 is an apocalyptic number.

16000063 is a deficient number, since it is larger than the sum of its proper divisors (225425).

16000063 is an equidigital number, since it uses as much as digits as its factorization.

16000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225424.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 16000063 is about 4000.0078749922. The cubic root of 16000063 is about 251.9845407078.

The spelling of 16000063 in words is "sixteen million, sixty-three", and thus it is an aban number and an uban number.