16552632542566 has 4 divisors (see below), whose sum is σ = 24828948813852. Its totient is φ = 8276316271282.

The previous prime is 16552632542561. The next prime is 16552632542599. The reversal of 16552632542566 is 66524523625561.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16552632542566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552632542561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4138158135640 + ... + 4138158135643.

It is an arithmetic number, because the mean of its divisors is an integer number (6207237203463).

Almost surely, 2^{16552632542566} is an apocalyptic number.

16552632542566 is a deficient number, since it is larger than the sum of its proper divisors (8276316271286).

16552632542566 is an equidigital number, since it uses as much as digits as its factorization.

16552632542566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8276316271285.

The product of its digits is 77760000, while the sum is 58.

The spelling of 16552632542566 in words is "sixteen trillion, five hundred fifty-two billion, six hundred thirty-two million, five hundred forty-two thousand, five hundred sixty-six".