916628465 has 4 divisors (see below), whose sum is σ = 1099954164. Its totient is φ = 733302768.

The previous prime is 916628443. The next prime is 916628467. The reversal of 916628465 is 564826619.

916628465 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 651883024 + 264745441 = 25532^2 + 16271^2 .

It is a cyclic number.

It is not a de Polignac number, because 916628465 - 2²² = 912434161 is a prime.

It is a super-3 number, since 3×916628465³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916628467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91662842 + ... + 91662851.

It is an arithmetic number, because the mean of its divisors is an integer number (274988541).

Almost surely, 2^916628465 is an apocalyptic number.

It is an amenable number.

916628465 is a deficient number, since it is larger than the sum of its proper divisors (183325699).

916628465 is a wasteful number, since it uses less digits than its factorization.

916628465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183325698.

The product of its digits is 622080, while the sum is 47.

The square root of 916628465 is about 30275.8726546404. The cubic root of 916628465 is about 971.3992859591.

The spelling of 916628465 in words is "nine hundred sixteen million, six hundred twenty-eight thousand, four hundred sixty-five".