16340340254004 has 144 divisors (see below), whose sum is σ = 45740237647104. Its totient is φ = 4886515468800.

The previous prime is 16340340253961. The next prime is 16340340254081. The reversal of 16340340254004 is 40045204304361.

16340340254004 is a `hidden beast` number, since 1 + 63 + 4 + 0 + 340 + 254 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16340340254004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3427449 + ... + 6665439.

It is an arithmetic number, because the mean of its divisors is an integer number (317640539216).

Almost surely, 2^{16340340254004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16340340254004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22870118823552).

16340340254004 is an abundant number, since it is smaller than the sum of its proper divisors (29399897393100).

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

16340340254004 is a wasteful number, since it uses less digits than its factorization.

16340340254004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238318 (or 3238313 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 16340340254004 its reverse (40045204304361), we get a palindrome (56385544558365).

The spelling of 16340340254004 in words is "sixteen trillion, three hundred forty billion, three hundred forty million, two hundred fifty-four thousand, four".