16662044360146 has 4 divisors (see below), whose sum is σ = 24993066540222. Its totient is φ = 8331022180072.

The previous prime is 16662044360119. The next prime is 16662044360149. The reversal of 16662044360146 is 64106344026661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13872011985225 + 2790032374921 = 3724515^2 + 1670339^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16662044360146.

It is not an unprimeable number, because it can be changed into a prime (16662044360149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4165511090035 + ... + 4165511090038.

Almost surely, 2^{16662044360146} is an apocalyptic number.

16662044360146 is a deficient number, since it is larger than the sum of its proper divisors (8331022180076).

16662044360146 is an equidigital number, since it uses as much as digits as its factorization.

16662044360146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331022180075.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 16662044360146 in words is "sixteen trillion, six hundred sixty-two billion, forty-four million, three hundred sixty thousand, one hundred forty-six".