675658566 has 48 divisors (see below), whose sum is σ = 1599595920. Its totient is φ = 204413760.

The previous prime is 675658561. The next prime is 675658573. The reversal of 675658566 is 665856576.

675658566 is a `hidden beast` number, since 6 + 7 + 56 + 585 + 6 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675658561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137976 + ... + 142788.

It is an arithmetic number, because the mean of its divisors is an integer number (33324915).

Almost surely, 2^675658566 is an apocalyptic number.

675658566 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

675658566 is an abundant number, since it is smaller than the sum of its proper divisors (923937354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

675658566 is a wasteful number, since it uses less digits than its factorization.

675658566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5538 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The square root of 675658566 is about 25993.4331322355. The cubic root of 675658566 is about 877.4905115004.

The spelling of 675658566 in words is "six hundred seventy-five million, six hundred fifty-eight thousand, five hundred sixty-six".