65394168 has 64 divisors (see below), whose sum is σ = 187488000. Its totient is φ = 18619392.

The previous prime is 65394137. The next prime is 65394193. The reversal of 65394168 is 86149356.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69928 + ... + 70856.

It is an arithmetic number, because the mean of its divisors is an integer number (2929500).

Almost surely, 2^65394168 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 65394168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93744000).

65394168 is an abundant number, since it is smaller than the sum of its proper divisors (122093832).

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

65394168 is a wasteful number, since it uses less digits than its factorization.

65394168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1360 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 65394168 is about 8086.6660621050. Note that the first 3 decimals coincide. The cubic root of 65394168 is about 402.8836777164.

The spelling of 65394168 in words is "sixty-five million, three hundred ninety-four thousand, one hundred sixty-eight".