16105783313658 has 32 divisors (see below), whose sum is σ = 35076116116800. Its totient is φ = 4910656254336.

The previous prime is 16105783313611. The next prime is 16105783313671. The reversal of 16105783313658 is 85631338750161.

It is a happy number.

It is a super-3 number, since 3×16105783313658³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 16105783313598 and 16105783313607.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2435838091 + ... + 2435844702.

It is an arithmetic number, because the mean of its divisors is an integer number (1096128628650).

Almost surely, 2^{16105783313658} is an apocalyptic number.

16105783313658 is an abundant number, since it is smaller than the sum of its proper divisors (18970332803142).

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

16105783313658 is a wasteful number, since it uses less digits than its factorization.

16105783313658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871682846.

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 16105783313658 in words is "sixteen trillion, one hundred five billion, seven hundred eighty-three million, three hundred thirteen thousand, six hundred fifty-eight".