16954045961 has 4 divisors (see below), whose sum is σ = 16960517124. Its totient is φ = 16947574800.

The previous prime is 16954045903. The next prime is 16954045967.

16954045961 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8516521225 + 8437524736 = 92285^2 + 91856^2 .

It is a cyclic number.

It is not a de Polignac number, because 16954045961 - 2¹⁴ = 16954029577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16954045967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231650 + ... + 3236891.

It is an arithmetic number, because the mean of its divisors is an integer number (4240129281).

Almost surely, 2^16954045961 is an apocalyptic number.

It is an amenable number.

16954045961 is a deficient number, since it is larger than the sum of its proper divisors (6471163).

16954045961 is an equidigital number, since it uses as much as digits as its factorization.

16954045961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471162.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 16954045961 in words is "sixteen billion, nine hundred fifty-four million, forty-five thousand, nine hundred sixty-one".