16990011100001 has 16 divisors (see below), whose sum is σ = 17103440773440. Its totient is φ = 16876958472000.

The previous prime is 16990011099979. The next prime is 16990011100037. The reversal of 16990011100001 is 10000111009961.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 16990011100001 - 2¹⁸ = 16990010837857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16990011100061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924416030 + ... + 924434408.

It is an arithmetic number, because the mean of its divisors is an integer number (1068965048340).

Almost surely, 2^{16990011100001} is an apocalyptic number.

It is an amenable number.

16990011100001 is a deficient number, since it is larger than the sum of its proper divisors (113429673439).

16990011100001 is a wasteful number, since it uses less digits than its factorization.

16990011100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28304.

The product of its (nonzero) digits is 486, while the sum is 29.

Adding to 16990011100001 its reverse (10000111009961), we get a palindrome (26990122109962).

The spelling of 16990011100001 in words is "sixteen trillion, nine hundred ninety billion, eleven million, one hundred thousand, one".