916289551 has 2 divisors, whose sum is σ = 916289552. Its totient is φ = 916289550.

The previous prime is 916289453. The next prime is 916289557. The reversal of 916289551 is 155982619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 916289551 - 2¹⁷ = 916158479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916289557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458144775 + 458144776.

It is an arithmetic number, because the mean of its divisors is an integer number (458144776).

Almost surely, 2^916289551 is an apocalyptic number.

916289551 is a deficient number, since it is larger than the sum of its proper divisors (1).

916289551 is an equidigital number, since it uses as much as digits as its factorization.

916289551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 46.

The square root of 916289551 is about 30270.2750400455. The cubic root of 916289551 is about 971.2795495505.

The spelling of 916289551 in words is "nine hundred sixteen million, two hundred eighty-nine thousand, five hundred fifty-one".