16564057217153 has 4 divisors (see below), whose sum is σ = 16564066861488. Its totient is φ = 16564047572820.

The previous prime is 16564057217143. The next prime is 16564057217189. The reversal of 16564057217153 is 35171275046561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16564057217153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16564057217095 and 16564057217104.

It is not an unprimeable number, because it can be changed into a prime (16564057217143) 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, 1468451 + ... + 5940072.

It is an arithmetic number, because the mean of its divisors is an integer number (4141016715372).

Almost surely, 2^{16564057217153} is an apocalyptic number.

It is an amenable number.

16564057217153 is a deficient number, since it is larger than the sum of its proper divisors (9644335).

16564057217153 is an equidigital number, since it uses as much as digits as its factorization.

16564057217153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644334.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 16564057217153 in words is "sixteen trillion, five hundred sixty-four billion, fifty-seven million, two hundred seventeen thousand, one hundred fifty-three".