2106697881601 has 16 divisors (see below), whose sum is σ = 2207343156480. Its totient is φ = 2008531208320.

The previous prime is 2106697881581. The next prime is 2106697881641. The reversal of 2106697881601 is 1061887966012.

It is not a de Polignac number, because 2106697881601 - 2⁵ = 2106697881569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106697881641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 440415 + ... + 2099371.

It is an arithmetic number, because the mean of its divisors is an integer number (137958947280).

Almost surely, 2^{2106697881601} is an apocalyptic number.

It is an amenable number.

2106697881601 is a deficient number, since it is larger than the sum of its proper divisors (100645274879).

2106697881601 is a wasteful number, since it uses less digits than its factorization.

2106697881601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659704.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 2106697881601 in words is "two trillion, one hundred six billion, six hundred ninety-seven million, eight hundred eighty-one thousand, six hundred one".