68183388 has 108 divisors (see below), whose sum is σ = 213424848. Its totient is φ = 17971200.

The previous prime is 68183363. The next prime is 68183407. The reversal of 68183388 is 88338186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41788 + ... + 43388.

It is an arithmetic number, because the mean of its divisors is an integer number (1976156).

Almost surely, 2^68183388 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 68183388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106712424).

68183388 is an abundant number, since it is smaller than the sum of its proper divisors (145241460).

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

68183388 is a wasteful number, since it uses less digits than its factorization.

68183388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1626 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 68183388 is about 8257.3232951120. The cubic root of 68183388 is about 408.5321056212.

The spelling of 68183388 in words is "sixty-eight million, one hundred eighty-three thousand, three hundred eighty-eight".