16509092069 has 8 divisors (see below), whose sum is σ = 16594862592. Its totient is φ = 16423426800.

The previous prime is 16509092063. The next prime is 16509092081. The reversal of 16509092069 is 96029090561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16509092069 - 2⁸ = 16509091813 is a prime.

It is a super-2 number, since 2×16509092069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16509092063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298544 + ... + 349494.

It is an arithmetic number, because the mean of its divisors is an integer number (2074357824).

Almost surely, 2^16509092069 is an apocalyptic number.

It is an amenable number.

16509092069 is a deficient number, since it is larger than the sum of its proper divisors (85770523).

16509092069 is a wasteful number, since it uses less digits than its factorization.

16509092069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52627.

The product of its (nonzero) digits is 262440, while the sum is 47.

The spelling of 16509092069 in words is "sixteen billion, five hundred nine million, ninety-two thousand, sixty-nine".