16254668340 has 288 divisors, whose sum is σ = 54009446400. Its totient is φ = 3941809920.

The previous prime is 16254668323. The next prime is 16254668351. The reversal of 16254668340 is 4386645261.

16254668340 is a `hidden beast` number, since 1 + 6 + 2 + 546 + 68 + 3 + 40 = 666.

16254668340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 14736229 + ... + 14737331.

It is an arithmetic number, because the mean of its divisors is an integer number (187532800).

Almost surely, 2^16254668340 is an apocalyptic number.

16254668340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16254668340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27004723200).

16254668340 is an abundant number, since it is smaller than the sum of its proper divisors (37754778060).

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

16254668340 is a wasteful number, since it uses less digits than its factorization.

16254668340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 16254668340 in words is "sixteen billion, two hundred fifty-four million, six hundred sixty-eight thousand, three hundred forty".