16505550154 has 16 divisors (see below), whose sum is σ = 26697041280. Its totient is φ = 7627724640.

The previous prime is 16505550151. The next prime is 16505550161. The reversal of 16505550154 is 45105550561.

It is not an unprimeable number, because it can be changed into a prime (16505550151) 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, 5295474 + ... + 5298589.

It is an arithmetic number, because the mean of its divisors is an integer number (1668565080).

Almost surely, 2^16505550154 is an apocalyptic number.

16505550154 is a deficient number, since it is larger than the sum of its proper divisors (10191491126).

16505550154 is a wasteful number, since it uses less digits than its factorization.

16505550154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594125.

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 16505550154 in words is "sixteen billion, five hundred five million, five hundred fifty thousand, one hundred fifty-four".