68311152 has 180 divisors, whose sum is σ = 237176784. Its totient is φ = 17971200.

The previous prime is 68311147. The next prime is 68311157. The reversal of 68311152 is 25111386.

It is an interprime number because it is at equal distance from previous prime (68311147) and next prime (68311157).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68311157) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 170152 + ... + 170552.

Almost surely, 2^68311152 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 68311152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118588392).

68311152 is an abundant number, since it is smaller than the sum of its proper divisors (168865632).

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

68311152 is a wasteful number, since it uses less digits than its factorization.

68311152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 426 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 68311152 is about 8265.0560796646. The cubic root of 68311152 is about 408.7871194862.

The spelling of 68311152 in words is "sixty-eight million, three hundred eleven thousand, one hundred fifty-two".