16418132561146 has 8 divisors (see below), whose sum is σ = 24806959417620. Its totient is φ = 8149146088608.

The previous prime is 16418132561087. The next prime is 16418132561147. The reversal of 16418132561146 is 64116523181461.

It can be written as a sum of positive squares in 2 ways, for example, as 15565115920225 + 853016640921 = 3945265^2 + 923589^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16418132561146.

It is not an unprimeable number, because it can be changed into a prime (16418132561147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29960095641 + ... + 29960096188.

Almost surely, 2^{16418132561146} is an apocalyptic number.

16418132561146 is a deficient number, since it is larger than the sum of its proper divisors (8388826856474).

16418132561146 is a wasteful number, since it uses less digits than its factorization.

16418132561146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59920191968.

The product of its digits is 829440, while the sum is 49.

The spelling of 16418132561146 in words is "sixteen trillion, four hundred eighteen billion, one hundred thirty-two million, five hundred sixty-one thousand, one hundred forty-six".