68154318 has 32 divisors (see below), whose sum is σ = 152111520. Its totient is φ = 22619520.

The previous prime is 68154299. The next prime is 68154319. The reversal of 68154318 is 81345186.

It is a super-3 number, since 3×68154318³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68154319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10396 + ... + 15632.

It is an arithmetic number, because the mean of its divisors is an integer number (4753485).

Almost surely, 2^68154318 is an apocalyptic number.

68154318 is an abundant number, since it is smaller than the sum of its proper divisors (83957202).

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

68154318 is a wasteful number, since it uses less digits than its factorization.

68154318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5483 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 68154318 is about 8255.5628517988. The cubic root of 68154318 is about 408.4740381220.

The spelling of 68154318 in words is "sixty-eight million, one hundred fifty-four thousand, three hundred eighteen".