16582154109 has 16 divisors (see below), whose sum is σ = 22208546304. Its totient is φ = 11005310000.

The previous prime is 16582154089. The next prime is 16582154117. The reversal of 16582154109 is 90145128561.

It is a cyclic number.

It is not a de Polignac number, because 16582154109 - 2⁷ = 16582153981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16582154159) 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, 2037322 + ... + 2045444.

It is an arithmetic number, because the mean of its divisors is an integer number (1388034144).

Almost surely, 2^16582154109 is an apocalyptic number.

It is an amenable number.

16582154109 is a deficient number, since it is larger than the sum of its proper divisors (5626392195).

16582154109 is a wasteful number, since it uses less digits than its factorization.

16582154109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 16582154109 in words is "sixteen billion, five hundred eighty-two million, one hundred fifty-four thousand, one hundred nine".