16066661605612 has 6 divisors (see below), whose sum is σ = 28116657809828. Its totient is φ = 8033330802804.

The previous prime is 16066661605597. The next prime is 16066661605637. The reversal of 16066661605612 is 21650616666061.

It is a self number, because there is not a number n which added to its sum of digits gives 16066661605612.

It is an unprimeable number.

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, 2008332700698 + ... + 2008332700705.

Almost surely, 2^{16066661605612} is an apocalyptic number.

It is an amenable number.

16066661605612 is a deficient number, since it is larger than the sum of its proper divisors (12049996204216).

16066661605612 is a wasteful number, since it uses less digits than its factorization.

16066661605612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016665401407 (or 4016665401405 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 16066661605612 in words is "sixteen trillion, sixty-six billion, six hundred sixty-one million, six hundred five thousand, six hundred twelve".