16071364509 has 16 divisors (see below), whose sum is σ = 21933660672. Its totient is φ = 10461811248.

The previous prime is 16071364501. The next prime is 16071364523. The reversal of 16071364509 is 90546317061.

It is not a de Polignac number, because 16071364509 - 2³ = 16071364501 is a prime.

It is a super-2 number, since 2×16071364509² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16071364501) 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, 437322 + ... + 472644.

It is an arithmetic number, because the mean of its divisors is an integer number (1370853792).

Almost surely, 2^16071364509 is an apocalyptic number.

It is an amenable number.

16071364509 is a deficient number, since it is larger than the sum of its proper divisors (5862296163).

16071364509 is a wasteful number, since it uses less digits than its factorization.

16071364509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38896.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 16071364509 in words is "sixteen billion, seventy-one million, three hundred sixty-four thousand, five hundred nine".