16001060643 has 12 divisors (see below), whose sum is σ = 23341482528. Its totient is φ = 10561755600.

The previous prime is 16001060641. The next prime is 16001060651. The reversal of 16001060643 is 34606010061.

16001060643 is a `hidden beast` number, since 1 + 6 + 0 + 0 + 10 + 6 + 0 + 643 = 666.

It is not a de Polignac number, because 16001060643 - 2¹ = 16001060641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16001060641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8800555 + ... + 8802372.

It is an arithmetic number, because the mean of its divisors is an integer number (1945123544).

Almost surely, 2^16001060643 is an apocalyptic number.

16001060643 is a deficient number, since it is larger than the sum of its proper divisors (7340421885).

16001060643 is a wasteful number, since it uses less digits than its factorization.

16001060643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17603034 (or 17603031 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 16001060643 in words is "sixteen billion, one million, sixty thousand, six hundred forty-three".