916668433 has 8 divisors (see below), whose sum is σ = 978505920. Its totient is φ = 856190160.

The previous prime is 916668409. The next prime is 916668461. The reversal of 916668433 is 334866619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 916668433 - 2¹⁷ = 916537361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916668463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338410 + ... + 341107.

It is an arithmetic number, because the mean of its divisors is an integer number (122313240).

Almost surely, 2^916668433 is an apocalyptic number.

It is an amenable number.

916668433 is a deficient number, since it is larger than the sum of its proper divisors (61837487).

916668433 is a wasteful number, since it uses less digits than its factorization.

916668433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679607.

The product of its digits is 559872, while the sum is 46.

The square root of 916668433 is about 30276.5327109958. The cubic root of 916668433 is about 971.4134044829.

The spelling of 916668433 in words is "nine hundred sixteen million, six hundred sixty-eight thousand, four hundred thirty-three".