2010721665698 has 8 divisors (see below), whose sum is σ = 3016091792208. Its totient is φ = 1005357734964.

The previous prime is 2010721665611. The next prime is 2010721665707. The reversal of 2010721665698 is 8965661270102.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628136 + ... + 2101427.

It is an arithmetic number, because the mean of its divisors is an integer number (377011474026).

Almost surely, 2^{2010721665698} is an apocalyptic number.

2010721665698 is a deficient number, since it is larger than the sum of its proper divisors (1005370126510).

2010721665698 is a wasteful number, since it uses less digits than its factorization.

2010721665698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097888.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 2010721665698 in words is "two trillion, ten billion, seven hundred twenty-one million, six hundred sixty-five thousand, six hundred ninety-eight".