916278668 has 12 divisors (see below), whose sum is σ = 1606756872. Its totient is φ = 457205280.

The previous prime is 916278659. The next prime is 916278697. The reversal of 916278668 is 866872619.

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, 231305 + ... + 235232.

It is an arithmetic number, because the mean of its divisors is an integer number (133896406).

Almost surely, 2^916278668 is an apocalyptic number.

It is an amenable number.

916278668 is a deficient number, since it is larger than the sum of its proper divisors (690478204).

916278668 is a wasteful number, since it uses less digits than its factorization.

916278668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467032 (or 467030 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 916278668 is about 30270.0952757007. The cubic root of 916278668 is about 971.2757041586.

The spelling of 916278668 in words is "nine hundred sixteen million, two hundred seventy-eight thousand, six hundred sixty-eight".