16355816512146 has 24 divisors (see below), whose sum is σ = 35438192182224. Its totient is φ = 5451848108280.

The previous prime is 16355816511997. The next prime is 16355816512181. The reversal of 16355816512146 is 64121561855361.

It is a happy number.

16355816512146 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 5 + 81 + 6 + 512 + 1 + 46 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16355816512092 and 16355816512101.

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 11 ways as a sum of consecutive naturals, for example, 6444636 + ... + 8616551.

It is an arithmetic number, because the mean of its divisors is an integer number (1476591340926).

Almost surely, 2^{16355816512146} is an apocalyptic number.

16355816512146 is an abundant number, since it is smaller than the sum of its proper divisors (19082375670078).

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

16355816512146 is a wasteful number, since it uses less digits than its factorization.

16355816512146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121526 (or 15121523 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 16355816512146 in words is "sixteen trillion, three hundred fifty-five billion, eight hundred sixteen million, five hundred twelve thousand, one hundred forty-six".