68152518 has 48 divisors (see below), whose sum is σ = 170127360. Its totient is φ = 19314288.

The previous prime is 68152501. The next prime is 68152529. The reversal of 68152518 is 81525186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13873 + ... + 18131.

It is an arithmetic number, because the mean of its divisors is an integer number (3544320).

Almost surely, 2^68152518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68152518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85063680).

68152518 is an abundant number, since it is smaller than the sum of its proper divisors (101974842).

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

68152518 is a wasteful number, since it uses less digits than its factorization.

68152518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4401 (or 4398 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 68152518 is about 8255.4538336787. The cubic root of 68152518 is about 408.4704420684.

The spelling of 68152518 in words is "sixty-eight million, one hundred fifty-two thousand, five hundred eighteen".