961616 has 10 divisors (see below), whose sum is σ = 1863162. Its totient is φ = 480800.

The previous prime is 961613. The next prime is 961619. The reversal of 961616 is 616169.

It is an interprime number because it is at equal distance from previous prime (961613) and next prime (961619).

It can be written as a sum of positive squares in only one way, i.e., 817216 + 144400 = 904^2 + 380^2 .

It is an alternating number because its digits alternate between odd and even.

961616 is a modest number, since divided by 1616 gives 96 as remainder.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30035 + ... + 30066.

2⁹⁶¹⁶¹⁶ is an apocalyptic number.

It is an amenable number.

961616 is a deficient number, since it is larger than the sum of its proper divisors (901546).

961616 is a wasteful number, since it uses less digits than its factorization.

961616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60109 (or 60103 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 961616 is about 980.6202119067. The cubic root of 961616 is about 98.7038047031.

The spelling of 961616 in words is "nine hundred sixty-one thousand, six hundred sixteen".