16614725478 has 32 divisors (see below), whose sum is σ = 36289596672. Its totient is φ = 5040218400.

The previous prime is 16614725473. The next prime is 16614725513. The reversal of 16614725478 is 87452741661.

It is a self number, because there is not a number n which added to its sum of digits gives 16614725478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16614725473) 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 15 ways as a sum of consecutive naturals, for example, 1494528 + ... + 1505603.

It is an arithmetic number, because the mean of its divisors is an integer number (1134049896).

Almost surely, 2^16614725478 is an apocalyptic number.

16614725478 is an abundant number, since it is smaller than the sum of its proper divisors (19674871194).

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

16614725478 is a wasteful number, since it uses less digits than its factorization.

16614725478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000220.

The product of its digits is 2257920, while the sum is 51.

The spelling of 16614725478 in words is "sixteen billion, six hundred fourteen million, seven hundred twenty-five thousand, four hundred seventy-eight".