916667583225 has 24 divisors (see below), whose sum is σ = 1595323235040. Its totient is φ = 463158357120.

The previous prime is 916667583217. The next prime is 916667583257. The reversal of 916667583225 is 522385766619.

It is not a de Polignac number, because 916667583225 - 2³ = 916667583217 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321636324 + ... + 321639173.

It is an arithmetic number, because the mean of its divisors is an integer number (66471801460).

Almost surely, 2^916667583225 is an apocalyptic number.

916667583225 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

916667583225 is a deficient number, since it is larger than the sum of its proper divisors (678655651815).

916667583225 is a wasteful number, since it uses less digits than its factorization.

916667583225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643275529 (or 643275524 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 916667583225 in words is "nine hundred sixteen billion, six hundred sixty-seven million, five hundred eighty-three thousand, two hundred twenty-five".