16071574409 has 48 divisors (see below), whose sum is σ = 18822585600. Its totient is φ = 13689836160.

The previous prime is 16071574367. The next prime is 16071574447. The reversal of 16071574409 is 90447517061.

It is not a de Polignac number, because 16071574409 - 2²⁴ = 16054797193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16071574409.

It is not an unprimeable number, because it can be changed into a prime (16071574469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19155212 + ... + 19156050.

It is an arithmetic number, because the mean of its divisors is an integer number (392137200).

Almost surely, 2^16071574409 is an apocalyptic number.

It is an amenable number.

16071574409 is a deficient number, since it is larger than the sum of its proper divisors (2751011191).

16071574409 is a wasteful number, since it uses less digits than its factorization.

16071574409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1035 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 16071574409 in words is "sixteen billion, seventy-one million, five hundred seventy-four thousand, four hundred nine".