8961933366 has 64 divisors (see below), whose sum is σ = 20077424640. Its totient is φ = 2963113920.

The previous prime is 8961933349. The next prime is 8961933373. The reversal of 8961933366 is 6633391698.

It is a happy number.

8961933366 is a `hidden beast` number, since 8 + 96 + 193 + 3 + 366 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3743866 + ... + 3746258.

It is an arithmetic number, because the mean of its divisors is an integer number (313709760).

Almost surely, 2^8961933366 is an apocalyptic number.

8961933366 is an abundant number, since it is smaller than the sum of its proper divisors (11115491274).

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

8961933366 is a wasteful number, since it uses less digits than its factorization.

8961933366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2932 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 54.

The square root of 8961933366 is about 94667.4884318793. The cubic root of 8961933366 is about 2077.1470197520.

The spelling of 8961933366 in words is "eight billion, nine hundred sixty-one million, nine hundred thirty-three thousand, three hundred sixty-six".