168563430 has 240 divisors, whose sum is σ = 548228736. Its totient is φ = 37013760.

The previous prime is 168563429. The next prime is 168563431. The reversal of 168563430 is 34365861.

168563430 is a `hidden beast` number, since 1 + 68 + 563 + 4 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (168563429) and next prime (168563431).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168563431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1230322 + ... + 1230458.

Almost surely, 2^168563430 is an apocalyptic number.

168563430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 168563430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274114368).

168563430 is an abundant number, since it is smaller than the sum of its proper divisors (379665306).

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

168563430 is a wasteful number, since it uses less digits than its factorization.

168563430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 168563430 is about 12983.1979881692. The cubic root of 168563430 is about 552.4009964357.

The spelling of 168563430 in words is "one hundred sixty-eight million, five hundred sixty-three thousand, four hundred thirty".