916656633 has 12 divisors (see below), whose sum is σ = 1327815060. Its totient is φ = 609371136.

The previous prime is 916656623. The next prime is 916656641. The reversal of 916656633 is 336656619.

916656633 is a `hidden beast` number, since 9 + 1 + 6 + 6 + 5 + 6 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 682933689 + 233722944 = 26133^2 + 15288^2 .

It is not a de Polignac number, because 916656633 - 2¹² = 916652537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (916656613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141088 + ... + 147441.

It is an arithmetic number, because the mean of its divisors is an integer number (110651255).

Almost surely, 2^916656633 is an apocalyptic number.

It is an amenable number.

916656633 is a deficient number, since it is larger than the sum of its proper divisors (411158427).

916656633 is a wasteful number, since it uses less digits than its factorization.

916656633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288888 (or 288885 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 916656633 is about 30276.3378399700. The cubic root of 916656633 is about 971.4092362264.

The spelling of 916656633 in words is "nine hundred sixteen million, six hundred fifty-six thousand, six hundred thirty-three".