16965980461 has 8 divisors (see below), whose sum is σ = 17592715800. Its totient is φ = 16342025280.

The previous prime is 16965980411. The next prime is 16965980489. The reversal of 16965980461 is 16408956961.

It can be written as a sum of positive squares in 4 ways, for example, as 1258120900 + 15707859561 = 35470^2 + 125331^2 .

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 16965980461 - 2¹⁹ = 16965456173 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 (16965980411) 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, 682606 + ... + 707023.

It is an arithmetic number, because the mean of its divisors is an integer number (2199089475).

Almost surely, 2^16965980461 is an apocalyptic number.

It is an amenable number.

16965980461 is a deficient number, since it is larger than the sum of its proper divisors (626735339).

16965980461 is a wasteful number, since it uses less digits than its factorization.

16965980461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390079.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 16965980461 in words is "sixteen billion, nine hundred sixty-five million, nine hundred eighty thousand, four hundred sixty-one".