921956016 has 40 divisors (see below), whose sum is σ = 2415273984. Its totient is φ = 302989120.

The previous prime is 921956011. The next prime is 921956033. The reversal of 921956016 is 610659129.

It is not an unprimeable number, because it can be changed into a prime (921956011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 131856 + ... + 138671.

Almost surely, 2^921956016 is an apocalyptic number.

It is an amenable number.

921956016 is an abundant number, since it is smaller than the sum of its proper divisors (1493317968).

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

921956016 is a wasteful number, since it uses less digits than its factorization.

921956016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270609 (or 270603 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 921956016 is about 30363.7286247918. The cubic root of 921956016 is about 973.2776134154.

The spelling of 921956016 in words is "nine hundred twenty-one million, nine hundred fifty-six thousand, sixteen".