911668916 has 12 divisors (see below), whose sum is σ = 1595852832. Its totient is φ = 455710968.

The previous prime is 911668903. The next prime is 911668921. The reversal of 911668916 is 619866119.

It is a super-2 number, since 2×911668916² = 1662280424801230112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13130 + ... + 44673.

It is an arithmetic number, because the mean of its divisors is an integer number (132987736).

Almost surely, 2^911668916 is an apocalyptic number.

It is an amenable number.

911668916 is a deficient number, since it is larger than the sum of its proper divisors (684183916).

911668916 is a wasteful number, since it uses less digits than its factorization.

911668916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61750 (or 61748 counting only the distinct ones).

The product of its digits is 139968, while the sum is 47.

The square root of 911668916 is about 30193.8556001051. The cubic root of 911668916 is about 969.6441518964.

The spelling of 911668916 in words is "nine hundred eleven million, six hundred sixty-eight thousand, nine hundred sixteen".