16562000001 has 8 divisors (see below), whose sum is σ = 22187324704. Its totient is φ = 10989004320.

The previous prime is 16561999997. The next prime is 16562000033. The reversal of 16562000001 is 10000026561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16562000001 - 2² = 16561999997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16562000101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13081516 + ... + 13082781.

It is an arithmetic number, because the mean of its divisors is an integer number (2773415588).

Almost surely, 2^16562000001 is an apocalyptic number.

It is an amenable number.

16562000001 is a deficient number, since it is larger than the sum of its proper divisors (5625324703).

16562000001 is a wasteful number, since it uses less digits than its factorization.

16562000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26164511.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 16562000001 its reverse (10000026561), we get a palindrome (26562026562).

The spelling of 16562000001 in words is "sixteen billion, five hundred sixty-two million, one", and thus it is an aban number.