68164488 has 108 divisors (see below), whose sum is σ = 216309015. Its totient is φ = 19335456.

The previous prime is 68164469. The next prime is 68164489. The reversal of 68164488 is 88446186.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

68164488 is a `hidden beast` number, since 6 + 8 + 164 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34082244 + 34082244 = 5838^2 + 5838^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5838.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (68164489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 490323 + ... + 490461.

Almost surely, 2^68164488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68164488

68164488 is an abundant number, since it is smaller than the sum of its proper divisors (148144527).

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

68164488 is a wasteful number, since it uses less digits than its factorization.

68164488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 151 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 68164488 is about 8256.1787771341. The cubic root of 68164488 is about 408.4943546354.

Multiplying 68164488 by its product of digits (294912), we get a square (20102525485056 = 4483584²).

The spelling of 68164488 in words is "sixty-eight million, one hundred sixty-four thousand, four hundred eighty-eight".