16662361699306 has 4 divisors (see below), whose sum is σ = 24993542548962. Its totient is φ = 8331180849652.

The previous prime is 16662361699303. The next prime is 16662361699307. The reversal of 16662361699306 is 60399616326661.

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., 16603514217081 + 58847482225 = 4074741^2 + 242585^2 .

It is not an unprimeable number, because it can be changed into a prime (16662361699303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4165590424825 + ... + 4165590424828.

Almost surely, 2^{16662361699306} is an apocalyptic number.

16662361699306 is a deficient number, since it is larger than the sum of its proper divisors (8331180849656).

16662361699306 is an equidigital number, since it uses as much as digits as its factorization.

16662361699306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331180849655.

The product of its (nonzero) digits is 68024448, while the sum is 64.

The spelling of 16662361699306 in words is "sixteen trillion, six hundred sixty-two billion, three hundred sixty-one million, six hundred ninety-nine thousand, three hundred six".