961873216 has 14 divisors (see below), whose sum is σ = 1908717290. Its totient is φ = 480936576.

The previous prime is 961873181. The next prime is 961873249. The reversal of 961873216 is 612378169.

It can be written as a sum of positive squares in only one way, i.e., 524226816 + 437646400 = 22896^2 + 20920^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7514571 + ... + 7514698.

Almost surely, 2^961873216 is an apocalyptic number.

It is an amenable number.

961873216 is a deficient number, since it is larger than the sum of its proper divisors (946844074).

961873216 is a wasteful number, since it uses less digits than its factorization.

961873216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15029281 (or 15029271 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 961873216 is about 31014.0809310868. The cubic root of 961873216 is about 987.1260445077.

The spelling of 961873216 in words is "nine hundred sixty-one million, eight hundred seventy-three thousand, two hundred sixteen".