16508725422 has 32 divisors (see below), whose sum is σ = 37741546752. Its totient is φ = 4715864064.

The previous prime is 16508725403. The next prime is 16508725439. The reversal of 16508725422 is 22452780561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198318 + ... + 268974.

It is an arithmetic number, because the mean of its divisors is an integer number (1179423336).

Almost surely, 2^16508725422 is an apocalyptic number.

16508725422 is an abundant number, since it is smaller than the sum of its proper divisors (21232821330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16508725422 is a wasteful number, since it uses less digits than its factorization.

16508725422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76232.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 16508725422 in words is "sixteen billion, five hundred eight million, seven hundred twenty-five thousand, four hundred twenty-two".