16001066566005 has 64 divisors (see below), whose sum is σ = 27745817448960. Its totient is φ = 7844969373696.

The previous prime is 16001066565989. The next prime is 16001066566019. The reversal of 16001066566005 is 50066566010061.

16001066566005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16001066566005 - 2⁴ = 16001066565989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2255370 + ... + 6090059.

It is an arithmetic number, because the mean of its divisors is an integer number (433528397640).

Almost surely, 2^{16001066566005} is an apocalyptic number.

16001066566005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16001066566005 is a deficient number, since it is larger than the sum of its proper divisors (11744750882955).

16001066566005 is a wasteful number, since it uses less digits than its factorization.

16001066566005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345630.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 16001066566005 in words is "sixteen trillion, one billion, sixty-six million, five hundred sixty-six thousand, five".