14164521774 has 64 divisors (see below), whose sum is σ = 32134690560. Its totient is φ = 4126256640.

The previous prime is 14164521773. The next prime is 14164521857. The reversal of 14164521774 is 47712546141.

14164521774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14164521774² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14164521773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4401414 + ... + 4404630.

It is an arithmetic number, because the mean of its divisors is an integer number (502104540).

Almost surely, 2^14164521774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14164521774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16067345280).

14164521774 is an abundant number, since it is smaller than the sum of its proper divisors (17970168786).

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

14164521774 is a wasteful number, since it uses less digits than its factorization.

14164521774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225.

The product of its digits is 188160, while the sum is 42.

The spelling of 14164521774 in words is "fourteen billion, one hundred sixty-four million, five hundred twenty-one thousand, seven hundred seventy-four".