455165568 has 320 divisors, whose sum is σ = 1596561120. Its totient is φ = 126904320.

The previous prime is 455165567. The next prime is 455165611. The reversal of 455165568 is 865561554.

455165568 is a `hidden beast` number, since 45 + 51 + 6 + 556 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (455165563) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1482471 + ... + 1482777.

Almost surely, 2^455165568 is an apocalyptic number.

455165568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455165568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798280560).

455165568 is an abundant number, since it is smaller than the sum of its proper divisors (1141395552).

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

455165568 is a wasteful number, since it uses less digits than its factorization.

455165568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 336 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The square root of 455165568 is about 21334.6096284886. The cubic root of 455165568 is about 769.2304494604.

The spelling of 455165568 in words is "four hundred fifty-five million, one hundred sixty-five thousand, five hundred sixty-eight".