961511316 has 12 divisors (see below), whose sum is σ = 2243526432. Its totient is φ = 320503768.

The previous prime is 961511293. The next prime is 961511329. The reversal of 961511316 is 613115169.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40062960 + ... + 40062983.

It is an arithmetic number, because the mean of its divisors is an integer number (186960536).

Almost surely, 2^961511316 is an apocalyptic number.

It is an amenable number.

961511316 is an abundant number, since it is smaller than the sum of its proper divisors (1282015116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961511316 is a wasteful number, since it uses less digits than its factorization.

961511316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80125950 (or 80125948 counting only the distinct ones).

The product of its digits is 4860, while the sum is 33.

The square root of 961511316 is about 31008.2459355572. The cubic root of 961511316 is about 987.0022285611.

The spelling of 961511316 in words is "nine hundred sixty-one million, five hundred eleven thousand, three hundred sixteen".