16071064509 has 16 divisors (see below), whose sum is σ = 21634513920. Its totient is φ = 10611320640.

The previous prime is 16071064487. The next prime is 16071064517. The reversal of 16071064509 is 90546017061.

It is not a de Polignac number, because 16071064509 - 2¹⁹ = 16070540221 is a prime.

It is a super-2 number, since 2×16071064509² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16071064579) 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, 69979 + ... + 192455.

It is an arithmetic number, because the mean of its divisors is an integer number (1352157120).

Almost surely, 2^16071064509 is an apocalyptic number.

It is an amenable number.

16071064509 is a deficient number, since it is larger than the sum of its proper divisors (5563449411).

16071064509 is a wasteful number, since it uses less digits than its factorization.

16071064509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122900.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 16071064509 in words is "sixteen billion, seventy-one million, sixty-four thousand, five hundred nine".