16961845871 has 8 divisors (see below), whose sum is σ = 16996974000. Its totient is φ = 16926750720.

The previous prime is 16961845861. The next prime is 16961845877. The reversal of 16961845871 is 17854816961.

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 16961845871 - 2²² = 16957651567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961845877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197551 + ... + 1211631.

It is an arithmetic number, because the mean of its divisors is an integer number (2124621750).

Almost surely, 2^16961845871 is an apocalyptic number.

16961845871 is a deficient number, since it is larger than the sum of its proper divisors (35128129).

16961845871 is a wasteful number, since it uses less digits than its factorization.

16961845871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16489.

The product of its digits is 2903040, while the sum is 56.

The spelling of 16961845871 in words is "sixteen billion, nine hundred sixty-one million, eight hundred forty-five thousand, eight hundred seventy-one".