16991049001 has 8 divisors (see below), whose sum is σ = 17023219200. Its totient is φ = 16958902800.

The previous prime is 16991048923. The next prime is 16991049073. The reversal of 16991049001 is 10094019961.

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

It is a cyclic number.

It is not a de Polignac number, because 16991049001 - 2⁹ = 16991048489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16991049701) 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, 2013970 + ... + 2022388.

It is an arithmetic number, because the mean of its divisors is an integer number (2127902400).

Almost surely, 2^16991049001 is an apocalyptic number.

It is an amenable number.

16991049001 is a deficient number, since it is larger than the sum of its proper divisors (32170199).

16991049001 is an equidigital number, since it uses as much as digits as its factorization.

16991049001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11999.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 16991049001 in words is "sixteen billion, nine hundred ninety-one million, forty-nine thousand, one".